AR general /arg/

I want a 16 or 14.5 AR10

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>>35030645
Ignore the other thread. I'll delete when I can.

>>35030645
post guard art

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What's the actual fucking edition?
>CALLE

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>>35030645
That looks terrible and probably cost more than twice what mine was

>>35030681
Now build the lightest gucci ar10 you can

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postin

>>35030681
Burt is a fat loser with shit rifles turbo bully edition.

>>35030692
Its photoshop

>>35030699
How many rounds is that magazine? And do they make a 10 round version for us Califags? I'd love to trigger a cop or someone at the range with this just to show them it only holds 10.

>>35030699
I like everything in this picture.

>>35030768
Surefire 100 round quad stack.

Youd have to pin it

>>35030768
That's a fucking stupid fantasy califag

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Is it possible to make a lightweight AR-10 without it being an uncomfortable mess?

>>35030779
He could pin it to 10.

Reminder that Burt actually hangs around /arg/ for the cat futa.

>>35030803
Use a good brake and yes

>>35030803
I suppose if you wanted a M4 style one yes.

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>>35030645
I dont care if its a photoshop, that is fucking digusting

>go through the trouble of developing a proprietary lower
>it can only take 7/8 round magazines

I can kind of understand why someone may want a 1911 counter grip on an AR, but making it use 1911 magazines is gimmicky and stupid.

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>>35030803

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>>35030645
>go to rage
>mag dump ccw
>ftf on the last round
>shoot 150rds tula
>shoot 20rds hd ammo
>no ftf

also, the fnx45 was flawless and my 10.3 with LC m193 was high and right which explains my misses at the 3gun match

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Postin

>>35030914
>spending 2000+ on glass
>not nightforce or better
??

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>>35030914
What rear sight is that?

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>>35030803
Sure.

>>35029797
Personal experience, or anecdote you have source on? I can't imagine it being worse than their AR15 stuff, which is perfectly fine for budget.

>>35030273
Ignore these retards:
>>35030288
>>35030289
>>35030290
Between two barrels of equal mass, the fluted barrel will take longer to get hotter, and will cool faster. Between two barrels of differing mass, you can strike a balance resulting in a lighter barrel with essentially the same thermal management properties as a heavier barrel. This means less weight to lug around, but the same capability to put rounds down range without excessive stringing, heat build up, and resulting wear.

Surface area is directly proportional to thermal convective flux.

Fluting works.

>>35030428
>08 was the best year
This is how I know you're full of shit and a retard. The entire WRX/STI community agrees that 2008-2010 was the worst generation.

>>35030922
No bully pls
>>35030924
Troy :^)

>>35030926
>Fluting works.

Are there ANY drawbacks to fluted barrels? I feel like there has to be something. The advantages sound really nice though.

>>35030973
Uggo and loss of rigidity

>>35030973
don't listen to him he's stupid

>>35030779
That's the point

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>>35030973
Yes certainly. If they flute too much and reduce the mass to a greater than optimal degree, it won't matter that you have a greatly increased surface area to increase convective cooling thermal flux, the lack of mass will result in the barrel getting too hot too quickly and that rate of heating outpacing even the increased rate of cooling afforded by the increased surface area.

If the engineers who designed the barrel are worth their salt this won't be an issue.

>>35030986
>Loss of rigidity
Shut up newfag you don't know what you're talking about.
>The fluted barrel of a given weight and length will be stiffer than an unfluted barrel of the same weight. The fluted barrel will not be stiffer than the same taper and length barrel that is not fluted though.

http://riflebarrels.com/a-look-at-the-rigidity-of-benchrest-barrels/

A well designed fluted barrel is better than a non fluted one. Solid cylindrical geometry is inferior to a well designed fluted geometry of the same mass from the perspective of thermal management and stiffness. Allow the fluted barrel to be lighter and you can achieve the same thermal and accuracy performance in a lighter package.

I literally study materials science with current research on elastic modulus and thermal brownian motion of nanowires, essentially long tubes. Kinda like barrels.

>>35031068
>I literally study materials science with current research on elastic modulus and thermal brownian motion of nanowires, essentially long tubes.
thx 4 cervix

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>>35030986
>loss of rigidity

>>35031068
>convective cooling thermal flux
This is a really weird way to talk about heat flux.
Not saying you're wrong, you're just using odd terms that aren't industry standard.

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>>35031068
>kinda
So its not.

Lets check what wins competitions.
http://precisionrifleblog.com/2014/11/18/rifle-barrels-what-the-pros-use/

1 out of top 50 uses fluted barrels.

Really makes you think

Fluting is a service we neither offer nor recommend. If you have a Shilen barrel fluted, the warranty is void. Fluting a barrel can induce unrecoverable stresses that will encourage warping when heated and can also swell the bore dimensions, causing loose spots in the bore. A solid (un-fluted) barrel is more rigid than a fluted barrel of equal diameter. A fluted barrel is more rigid than a solid barrel of equal weight. All rifle barrels flex when fired. Accuracy requires that they simply flex the same and return the same each time they are fired, hence the requirement for a pillar bedded action and free floating barrel. The unrecoverable stresses that fluting can induce will cause the barrel to flex differently or not return from the flexing without cooling down a major amount. This is usually longer than a shooter has to wait for the next shot. The claim of the flutes helping to wick heat away faster is true, but the benefit of the flutes is not recognizable in this regard until the barrel is already too hot.

One design change that resulted from AI’s exhaustive accuracy testing and development of the PSR [Precision Sniper Rifle] is the removal of flutes from the barrels. Engineers at AI decided to isolate the barrel flutes to see what impact they had on accuracy. The engineers attached a laser to the rifle’s receiver, another to the barrel, and a third to the scope. All three dots were zeroed at the same point, then they started shooting the rifle. They discovered that, no matter which fluted barrel they used, the dots would diverge as the barrel heated. The dots from the devices mounted to the scope and the receiver would stay in place, but the barrel’s device would manifest a point-of-impact (POI) shift. The POI shift from the warming barrel greatly diminished when they used barrels without flutes.

>>35031068

Im still not sure. Im hearing conflicting things. What do you think of these?
>>35031200
>>35031228

>>35031249
Expecting WGWS to change his opinion on something is extremely far fetched and you're going to find that out with the wall of text he (you)'s you

>>35031149
I'm not in industry. Just started graduate school. Sorry. I mean technically barrel cooling is a combination of conduction at the surface, and then convection above the surface away from the barrel. To be more correct and accurate I should have termed it conductive thermal flux because it is the increase in the barrel's surface area that increases the incidence for energy transferring collisions between the barrel and the air around it. This energy transfer is clearly conductive cooling.

>>35031185
>Old fudds bench shooting who don't care about thermal management or weight.
" told me he just doesn’t flute the barrel because he goes through them so quickly that it seems like a waste of time and money. These guys practice … a lot. You don’t get to this level any other way. So their rifles may see more rounds in one month than most rifles do in a lifetime. So at least one of the shooter’s decision didn’t have anything to do with whether fluting affected accuracy or not, but that may not be representative of the majority."

Okay sure, whatever.

>>35031200
>A solid (un-fluted) barrel is more rigid than a fluted barrel of equal diameter.
A well designed fluted barrel will have a larger maximal diameter than the same weight non fluted barrel, and thus will be stiffer.

> The unrecoverable stresses that fluting can induce will cause the barrel to flex differently or not return from the flexing without cooling down a major amount.

This is nonsensical bullshit to me IMO.

>The claim of the flutes helping to wick heat away faster is true, but the benefit of the flutes is not recognizable in this regard until the barrel is already too hot.

Also nonsensical bullshit. Barrel is in constant thermal dynamics with the environment. The rate of cooling is linear dependent with the temperature differential, and the area, independently with no codependence between the two.

>>35031276
>>35031200
The idea that the flutes and increased surface area doesn't contribute to increased cooling until some threshold in the temperature differential is reached is straight bullshit, and makes me question the validity of the rest of this "statement".

>>35031288
So your saying that you know better than fucking Accuracy International and their testing, based on.......

>>35031305
He studies hot pipes (both kinds)

>>35031267
I wanted to see his rebuttals to the claims made.

>>35031276
Seeing him back up why he thinks its wrong with more logic is promising.

I honestly have no dog in this fight. I do just fine with non fluted barrels but would definitely consider a fluted one after much research. Seeing who has more shit behind their statements will definitely encourage me to start doing extensive research.

>>35030645
Aw fuck did WGWS btfo .308 again while I was gone?

my favorite instrument is the fluted barrel.

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KAC micro is out for delivery and I just picked up some magpul brand magpuls

2006 GWOT soon

>>35031325
Ive always took you as a skin flute kinda guy.

>>35031316
If AI says fluting a shit, then fluting is indeed a shit

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>>35031228
>The POI shift from the warming barrel greatly diminished when they used barrels without flutes.
Yeah, probably because they were using heavier barrels with larger maximal diameters. Of course they're going to see less deviation.
Vague experimental procedure. These guys just are giving excuses for why their engineers couldn't make a decent fluted barrel.
>>35031283
Burto!

Pls recommend ultralight Mlok pic rail sections? less than 0.5oz for 3 section and less than 0.7oz for 5?

>>35031305
>Based on
Idealized physics.
I'm not an engineer, and so I don't make any claims about the practical reasonableness for a fluted barrel to be superior to a non fluted barrel, but the bottom line is that between Newton's law of cooling, and expressions of elastic modulus of a cylindrical geometry, you should be able to make a superior barrel in terms of weight, while keeping thermal management and rigidity the same, or make a superior barrel in terms of thermal management and rigidity, while keeping weight the same.


M82A1 is fluted. M242 came fluted on bradley.
But citing anecdotes or opinions of companies is pointless when you can just discuss the fundamental principles and expressions governing heating/cooling, and the rigidity of a body.

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>>35031346
>>35031360
Yeah and poor Brazilian cops use short barreled FALs so 308 for CQB is obviously superior to an a M4 or something.

>>35031357
>idealized physics
So your saying you dont know more than a handful of concepts of what goes into making an accurate barrel, yet need to run yout mouth like your opinion means anything.

>>35031346
I dont know. AI hasnt said anything as far as I can see. Anon is saying this, using studies with no numbers or detail. Where as WGWS is actually arguing using physics that are actually relevant and true.

Hard to argue with that.

Id have to go actually research this study, but so far Id say WGWS is making convincing points.

>>35031357
Magpul plastic ones?

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>>35031376
Do you legitimately not know who bope is?

>>35031276
I understand Fourier's law. I took thermodynamics, too. You're over-complicating something relatively simple to understand. More surface area = quicker cooling. The complicated part is how much cooling can realistically take place between rounds fired and how much benefit is gained at what temperature.
>A well designed fluted barrel will have a larger maximal diameter than the same weight non fluted barrel, and thus will be stiffer.
There really isn't any measurable differences that I've ever encountered. Fluting really isn't very effective for shooting, it's more of an industrial application for high heat flux not seen in guns because the operational temperatures never climb that high. You'd lose accuracy much before fluting ever actually benefited you. The most you're going to benefit is times between shots.

Has anyone sent anything into Trijicon before? I'm having my reticle changes on a TR24 I bought used a few years ago, wondering how quickly they turn things around.

>>35031420
2 weeks

>>35031420
bout 2 weeks

>>35031357
>M82A1
the fluting was to reduce weight on a 30 lb gun.
>M242
This is a stationary chain driven 25mm auto cannon. Fluting would actually make sense on this gun.

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>>35031382
That isn't what I'm saying.
Here is a another fancy concept for you:
Moment of inertia for an extended body is non second order with respect to the distance from the rotational axis, or axis from which we're deviating to determine rigidity. Moment of inertia and by extension rigidity is linear with the mass element at a given distance from the axis. This means that if you put the same mass, twice as far out from the axis, the object has 4x the rigidity or moment of inertia.

Think of I beams? Better rigidity to weight ratio than a solid square beam. Think of hollow square or round tubing? Better rigidity to weight ratio than a solid square or round tubing.

Now think of a fluted barrel, with a larger maximal diameter but the same weight as solid barrel with a smaller maximal diameter. You can clearly see there is stable, non trivial, and determinable optimization which will result in a stiffer barrel, with more surface area, but the same weight.

Not my fault the metallurgists, machinists, and engineers can't make the barrel without fucking up the lattice cell structure or introducing imperfections in the lattice.

>>35031384
Seem sketchy, but okay. I thought you would have a cool lead on something neato.

>>35031407
Rate of cooling is linear prop. with A. For a given time interval (I assume we would shoot our solid and fluted barrels at the same rate), the fluted barrel will see a larger drop in temperature assuming the two barrels start at the same temperature, which they won't anyway because the fluted barrel of equal mass won't reach the same temp as the solid one to begin with since it is cooling faster, to begin with.

>Benefit gained at what temp
Rate of cooling is linear with temp differential and area, independently. Doesn't matter what temp differential you're at, a fluted and solid barrel at the same temp differential with surrounding will not cool at the same rate. The fluted will cool faster.

>>35031407
>You'd lose accuracy much before fluting ever actually benefited you

I must really be missing something. Where in Newton's law of cooling is the dependence on the surface area for the rate of cooling dependent on the temperature differential? Seriously please explain because AI said something similar and I simply don't see it.

>>35031463
>To reduce weight
You don't fucking say?

>>35031420
2 weeks

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http://www.sgammo.com/product/223-556mm-ammo/1000-round-can-magtech-556mm-ball-m193-military-surplus-ammo-cbc-556mil

This seems like a steal
What am I missing

>>35031464
>Rate of cooling is linear
LOL no it is not. That is basic thermodynamics.
Hotter objects have more severe temperature delta.
> the fluted barrel will see a larger drop in temperature
No it will not LOL it will see a faster drop but it will not break laws of thermodynamics and drop to a lower temperature than a non fluted barrel.
>which they won't anyway because the fluted barrel of equal mass won't reach the same temp as the solid one to begin with since it is cooling faster, to begin with.
This point is neither here nor there because you shouldn't be operating a gun to the point that this would matter.
I get that you just graduated, but if you're going to try and go into this, you should have some real world experience in tool and dye before commenting.

>>35031464
So wait a minute it sounds like you are saying the design concept sounds cool because you talk about the physics and then when someone shows you evidence of the contrary you explain it away with them not properly making a barrel fluted.

Do you know of a company that DOES make a fluted barrel that isnt ruined in the ways you describe?

>>35031481
>You don't fucking say?
so mentioning it doesn't help you in the least.
>I must really be missing something.
a few years in the tool and dye industry by the looks of it.

>another wgws btfo thread

>>35031555
That's any thread he opens his mouth in

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Nice thread

>>35031555
>inb4 A2 starts posting to take the heat off his pet jew

>>35031581
New picture I see. Decided to get rid of the fixed stock?

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>>35031495
It is linear with the temp delta. It isn't (deltaT)^2, but rather (deltaT)^1
IE linear.

dQ/dt ~ A*(deltaT)
Linear in both surface area and T, and the relationship between dQ/dt and A is independent of deltaT so the notion that the increased surface area doesn't make a difference until deltaT is above some threshold seems bogus.

>>35031495
>No it will not LOL it will see a faster drop but it will not break laws of thermodynamics and drop to a lower temperature than a non fluted barrel.
Okay there might be something there. But for two barrels of equal mass, both starting with deltaT=100k and with the fluted area equal to 1.5x the non fluted area, the initial dQ/dt for the fluted barrel should be 1.5x the non fluted.

Oh shit I think I see it. Need to actually solve dQ/dt for Q(t), scale for mass to get out T(t),
dQ/dt for the fluted barrel will be dropping faster than dQ/dt for the solid because deltaT will be dropping faster.

Differential equations and soln: initial deltaT=100 and ambient T=100

Fluted:
http://www.wolframalpha.com/input/?i=solve+dq%2Fdt%3D-1.5(q(t)-100)+initial+condition+q(0)%3D200

Solid:
http://www.wolframalpha.com/input/?i=solve+dq%2Fdt%3D-1(q(t)-100)+initial+condition+q(0)%3D200

Fluted q(t) soln:
http://www.wolframalpha.com/input/?i=100+%2B+100+e%5E(-1.5+t)+from+t%3D0+to+t%3D5

Solid q(t) soln:
http://www.wolframalpha.com/input/?i=100+(1+%2B+e%5E(-t))+from+t%3D0+to+t%3D5

Aw fuck yeah. Fluted clearly is cooling faster. At one second the fluted Q(1)=122 and the solid Q(1)=136

For the same mass, the fluted barrel will be cooler at one second than the solid.

You could solve these differential equations for any manner of initial deltaT and I guarantee you that the fluted will cool faster for the entirety of the cooling period, and be at a lower temperature for 0 < t < infinity


>>35031555
Yeah fucking right.

>>35031596
>The heat
lel

>>35031640
Everytime you post you dont need to write a book.

>>35031420
I sent back HD night sights when then orange part popped out on me, took 2 weeks start to finish to get back a brand new and installed set of HD night sights on my xd-s. Highly recommend.

>>35031640
That picture is not of an AR-15 or a variant of the AR-15. This is /arg/ not /ImgonnapostwhateverthefuckIwantthenbitchwhenofftopicorblogginghappen/

>>35031493
ammo prices are going down and 25-27cpr for m193 will be the norm again

>>35031640
>It is linear with the temp delta.
No. It isn't. You're not putting the barrel in a kiln.
You're firing rounds through it. It is inherently not linear. I don't get why you're being so stubborn about being wrong?
>Okay there might be something there. But for two barrels of equal mass, both starting with deltaT=100k and with the fluted area equal to 1.5x the non fluted area, the initial dQ/dt for the fluted barrel should be 1.5x the non fluted.
Obviously the barrel with the fluted barrel will drop in temperature faster, but that's not what you said.
>and be at a lower temperature for 0 < t < infinity
....
okay. I'm done. You have no fucking idea what you're talking about and you're arguing a strawman.

>>35031671
gets btfo'd

>Dude Im totally tired of arguing, your totes wrong with that straw man anecdotal slippery slope or whatever

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dimple >all

>>35031692
looks like pock marks

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>>35031691
me
>No it will not LOL it will see a faster drop but it will not break laws of thermodynamics and drop to a lower temperature than a non fluted barrel.
(you)
>Okay there might be something there. But for two barrels of equal mass, both starting with deltaT=100k and with the fluted area equal to 1.5x the non fluted area, the initial dQ/dt for the fluted barrel should be 1.5x the non fluted.
(pretty much what I said)
(you)
>be at a lower temperature for 0 < t < infinity
(nonsense)

Yeah. I got btfo'd. How will I ever recover.

>>35031671
WGWS is the number one tripfag for filtering.

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>>35031671
I'm claiming that the notion that the fluting only helps with cooling at or above some magical deltaT is bull. The fluted barrel coolers faster, and will essentially be at a lower temp at all times for the same given initial conditions as compared to a solid barrel of the same mass and initial temp.

Before you go please look at the wolfram alpha links...

>You're firing rounds through it
I'm comparing the rate of cooling, and thus instantaneous temperature, between a fluted barrel and a solid barrel of equal weight and equal initial temperature. If the fluted cools faster than the solid from the same delta T, then you can be assured that through the same firing schedule (same heat input over time), the fluted won't even get as hot as the solid (assuming same mass).


>>35031692
Possibly. Looks like more surface area than fluted for sure, and more mass at maximal diameter than fluted, so same if not more rigidity.

fluted BTFO!

Damn this is fun. But I should have gone into the shop.

>>35031383
Did you read the article?
Does AI make a fluted barrel?

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>guy on armslist just offered me these plates for 120

Should i take them?

>>35031464
tl;dr
Your incomplete fancy concept dont matter to the technical realities we are in. Imperfect models should not be defended.

>>35031712
Probably something wrong with them. Just save up for a scope for your rifle instead of buying other shit.

>>35031707
I'm starting to see why.He's literally arguing what I do for a living.
>>35031708
I'm claiming that the notion that the fluting only helps with cooling at or above some magical deltaT is bull.
Not what I said, I said you will see zero difference in performance because the temperature fluting is effective is way beyond what an AR would operate at.
Why is that so hard to understand?
>I'm comparing the rate of cooling
You just showed newton's law of cooling that describes a logarithmic cooling affect you're claiming is linear.
> If the fluted cools faster than the solid from the same delta T
This is fucking nonsense. Delta is not a fixed point, it is the rate of change. That's what delta means.
Jesus fuck. I'm done. It's not worth arguing with you because you lack too much of the required knowledge to ever talk about this.

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>Wgws crashing the archive with anecdotal evidence

Wow, I've never seen this much purchase justification in one thread. Ever.

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>>35031737
They look a little wonky and i think a see where the US Army catalog tags got ripped off

He was selling them with a SKD PC

>burnt bronze cerakote mp5

>>35031755
>inb4 Mek why u no shoot with us :(

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DIMPLES

>>35031712
>buying used plates

Yeah, get them. You're too stupid to live.

>>35031755
You've missed twice now where he's tried to argue with me that literally no ine ever uses .308 for the things we use intermediate rifles for, that anything but magnified optics on .308 is retarded, and that .308 rifles just aren't designed to be shot as much as .223 rifles so it's totally fine to recommend an AR-10 to someone on a budget. It's 2x as fun cause he doesn't even own a .308

>>35031712
no, buy hesco

>>35031777
I want to see his dance when the interim service rifle is announced

>>35031763
The MP5 receiver might be salvageable.

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>>35031671
>No idea what I'm talking about
Straight hyperbole /arg/ friendo.

>>35031705
Nah I take back what I said. There is nothing there. The Q(t) and thus T(t) curves won't differ significantly depending on initial deltaT, as I thought. The notion that AI is putting forward that somehow the flutes don't play a role in the cooling until deltaT is large is bullshit.

>be at a lower temperature for 0 < t < infinity
>(nonsense)
Look at my fucking Q(t) soln curves for the fluted and solid barrel. At t=0 they both have the same heat quantity so for equal mass will be the same temp. At t=infinity both barrels will be the same temperature as ambient. Everything in between the fluted will have less Q, and thus be at a lower temperature. You can see that form the soln. curves.

>>35031712
No. Buy a smoke, or buy two brand new multi curve level IV ceramic 10x12"s for $200 plus shipping from armour wear.


>>35031747
> logarithmic cooling
WRONG. Q(t) and thus T(t) is log. dQ/dt is linear. Rate of cooling is linear.

>Delta is not a fixed point, it is the rate of change
DeltaT is not a rate of change but the magnitude difference between the hot body and the thermal bath ambient to it. Yes it isn't a fixed number though. DeltaT is a linear function of Q(t), by extension T(t), and of course the thermal bath temp. Because it varies with Q(t), I first I thought you might be on to something, but wolfram shows the soln to the differential equation, which takes into account the decreasing, and decreasing differently deltaTs between the fluted and the solid. Please look at the curves. The fluted cooler faster, even though its DeltaT decreases faster.

>>35031777
>tried to argue with me that literally no ine ever uses .308 for the things we use intermediate rifles for
Fuck off strawmanning retard. I never claimed no one does it, only that it is stupid to do so since intermediate cartridges perform better as intermediate cartridges than do full sized cartridges.

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>>35031797
I will be happy since I dislike 5.56, think it is baby, and intermediate cartridges are not ideal for mountainous terrain and engagements over 400m.

>>35031768
Gucci. I like it.

Anyone know of any 11.5" barrels with profiles similar to Faxon Gunner or BA Hanson?
Thanks!

>>35031805
>"only retards like orangecat use a .308 like an intermediate rifle"
BOPE CONFIRMED RETARDS
GSG9 CONFIRMED RETARDS
GIGN CONFIRMED RETARDS
US ARMY CONFIRMED RETARDS
NAVY SEALS CONFIRMED RETARDS
WHO ELSE THINKS THEY CAN TAKE ON THE JEW

>>35031805
No one wants to buy your overpriced smokes and stop arguing with people when you are wrong.

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>>35031805
I don't think I've ever seen someone be so wrong and crash so hard..
This is worse than Giddy and Ash..
What the fuck is going on in /arg/ today?

>>35031820
why don't you want faxon or ba

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>>35031822
>The Mil knows best and is infallible meme
Okay, whatever.

>>35031825
Fucking lel.

>>35031829
>So wrong
B-b-bbbut did you look at my differential equations and solutions for the rate of heat change and the heat contained?

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>>35031820
>Dislikes 5.56
But builds an AR in 5.56 and is building another AR in 5.56.

>>35031822
>BOPE
They use it because other guns are in short supply, for many the only choice is FAL or a shitty Taurus pistol

>GSG9
DMR role

>GIGN
DMR role

>US ARMY CONFIRMED RETARDS
yes

>NAVY SEALS
DMR role, majority use 5.56

>>35031829
Shitposting, just like every day. FYI if the tripfag seems stupid, they probably are and deserve filtering.

>>35031841
Right, cause you operate harder than every mil or police force on the planet
Tell me about all your combat experience that backs up the claims you have made

>>35031820
If you dislike 556 why do you have 2 556 rifles? Why do you care about a 11.5 barrel when you could spend that money on your 308 rifle?

>>35031844
Because it's what's in common use. I plan on picking up a 6.5mm battle rifle the second that military and police start adopting them.

>>35031856
There's plenty of pics of GSG and GIGN using it with non magnified optics in policing roles, and are we literally going to ignore the classic M14+aimpoint right now?

>>35031858
The first time I've ever felt compelled to filter someone.

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>>35031829
This was from last night.

>>35031870
7.62x39 is also a common use round.

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Diversify yall cartridges

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>>35031877
Can't forget the most important screencap that his handler leaked
>calle

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>>35031840
Just seeing what is out there. Probably going go with the BA. It is 20oz vs. the 16oz of the Faxon, but the Faxon is a pants on head retarded midlength 11.5", and the BA is carbine. Plus as we all know and understand now weight increases thermal capacity and rigidity of a given barrel, and since it is an SBR with a short moment, the increased weight won't be as noticeable as if it were on a longer barrel.

>>35031856
TYBA

>>35031860
Nah. I rather get more webms of you embarrassing yourself at public comps running your FAL at 10 yard targets.

>>35031844
See:
>>35031870


>>35031867
See:
>>35031870

>>35031873
>plenty of pics of GSG and GIGN using it with non magnified optics in policing roles
I gauranfuckingtee that those guys won't be kicking down any doors. Euro police "SWAT" teams are pretty underfunded so it's not a surprise that not everyone gets an optic, German police forces especially have been neglected.

>M14+aimpoint
HAHAHAHAHAHAHHAHAHA, no

>>35031870
Most police marksmen use .308

>>35031879
Yeah, in fucking Ukraine.

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>>35031889
>Hate us cause they ain't us
But don't worry. I'm clearly just a meathead retard.

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>>35031877
>>35031889
people like this can vote and that makes me sad

>>35031890
spikes and bcm have lightweight 11.5s

>>35031893
That's a specialty weapon, I'm talking about standard issue.

>>35031890
7.62x39 is also a commonly used round and has a better stopping power than 5.56 why not build one of those 7.62x39 ARs that takes AK mags?

>>35031920
STFU, don't spread fuddlore

>>35031920
>7.62x39 is also a commonly used
Not in first world countries like the US.

>>35031892
So what's your argument here then? Because of budgets and decisions neither of us are exactly privvy too it means all of that can just be wiped off the table? And how exactly is it cheaper for them to put guys with 417s in subways and on street corners?
>navy seals confirmed for retards again
>randall shughart confirmed double retard

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>>35031904
>gets BTFO'd by everyone in the thread (like usual) cause you're an idiot
>"they hate us cuz they anus, haha got 'em"

>>35031942
STFU kid, you don't know what you're talking about.

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>>35031946
WGIDF plsgo, you literally cannot save him

>>35031934
Its still a common round and he is bitching about 5.56 so I gave him another option

>>35031989
Stop defending your stupidity

>>35031989
7.62x39 is not in common use in the US. 90% of the ammo is imported and virtually no police departments use it.

>>35031963
figures such a powerful jew would have survived the shoah

>>35032012
Its still a common round.

>>35032034
no it's not

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>>35031920
No, that is retarded.

>>35031915
Will look into. Thanks. I don't like spikes. Cringey.

>>35031942
308 for CQB is stupid.

>>35032012
+1

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Why is the dunning Krueger effect so strong in low rent tripfags?

>>35032056
Good thing that there arent any buildings outside

>>35032040
So other militarys dont use 7.62x39 okay

>>35032071
No first or second world militaries

>>35032071
jesus fucking christ you're retarded

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Filtering Ash and WGWS has monstrously improved this thread.

moar liek gay-r-15

>>35032084
Ragnar you are still banned stop posting

>>35032079
When the fuck did I say anything about first or second world countries you retarded fuck?

>>35032056
Don't you have a multitude of other topics to argue about while also having no experience on the matter?

>>35032157
He is shitting up /gq/ now

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>>35032157
>Experience
Is that what you call your manlet ass running around with that FAL shooting at cardboard 10 yards in front of you?

>>35032166
Recommend me an 11.5" barrel with a profile similar to Faxon's Gunner or BA's Hanson. Oh and I'm also looking for ultralight Mlok rail sections.

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>armslist dude says when the paypal hold on some ebay sales is over he's gonna buy my mk12
Neat

>>35032182
You made a claim and have no relevant experience to back it up, then revert to ad hom when questioned about it
>classic jew tactics

>>35032182
Why not just get an 11.3 BA hanson?

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>>35032196
Experience to back up the claim that 308 is bad for CQB?
I've seen your webm of your tiny torso getting knocked back 6 inches each shot with you FAL. How did you place in the comp by the way?

I went through the 308 CQB phase back when I was 16 literally.
>tfw still had 50lbs on oc when I was a teenager.

>>35032197
Probably going with that. Just want to see what else is out there.

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I finally finished it
Block I

>>35032233
literally don't care

>>35032233
>>35032255
Dont worry buddy.

I care.

>>35032211
>all this delicious ad hom
Keep going, it fuels me. Your irrational hate for .308 and FALs is making my day better

They didn't even keep track of my division properly so there's literally no way to know

>>35032233
Looks good and why is your KAC rear so shiny?

>>35032060
because they're nobody everywhere else in life, so they come here to be somebody with no extra substance to add

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poorfag first build
saving up for optics now

>>35032264
Finish seems to have worn off
It's very, very used

>>35032267
Looks good anon.

>>35032233
Very nice. Get rid of the mag diaper, move the red dot forward, get a side sling swivel, Colt ambi safety, SOPMOD stock, and a black SureFire M952v.

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SSF master race

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Where's it gonna land /arg/?

>>35032275
All valid
TY anon

>>35032281
Colorado hopefully

>>35032281
Wind arrows suggest that it's heading straight for NYC

>>35032279
Is the Geissele trigger worth the money or should I go with larue?

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>>35032290
Ur fucked kid

>>35032233
Bad clone, kys
>>35032290
I hope it kills you

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>>35032263
>Irrational
Yeah it couldn't possibly have anything to do with heavier harder to manipulate platforms, increased muzzle rise, increased recoil, reduced ammunition capacity and thus suppressive capability. No, definitely not any of that shit.
>Literally no way to know.
Post the webm faggot.

>>35032233
I like it except for the tape thing and the fde rubber on the stock.

>>35032267
Not bad at all. What irons? Pull the stock out and take an outdoor picture. What optic are you looking for? My buddy has two good budget optics for sale. Shoot him an email:
[email protected]
He has a PA MD ADS and a 4x ACSS Prism Scope. Good prices.

>>35032290
Lel.
Post webm so I can laffin(hoosierTM)

>>35032290
Hopefully Kimmyboi gets his nuke there first.

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>>35032267
nice

>>35032233
nice

>>35032281
nice

Should I risk changing my trigger guard? I would like to do it but I dont want to break one of the ears off.

>>35032320
>wgws was getting bullied too hard at the playground so daddy has to show up

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>>35032320
Not an argument
>>35032322
It was letsegos, its an FDE stock painted black but he left the pad tan
Tape is for beard + vltor, gotta find a SOPMOD now

It's come a long way

>>35032322
>>35032267
Anon dont buy from his friend.

>>35032301
Sometimes good men have to die for the greater good

>>35032322
>what is the scar 17
>ignoring every other modern .308 on the market
It's scary that you're not even pretending to be this retarded
Mobile or I would, post a .308 you actually own so I know you're not talking out of your ass

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>>35032294
haven't put that one in a gun yet. The MBT's a great trigger, though.

>>35032281
Shit since Houston has been down all the gas stations have been out of gas where I live. These Hurricanes are pissing me off.

>>35032337
lel, I just got finished putting together my helmet in /gq/ and need to come shitup /arg/

>>35032356
Harvey took out 1/5 of our refineries.

>>35032366
Pls collect your juden, he's been loose since before even I got here

>>35032386
I heard a third of the refineries in Houston are down. Im all the way near Fort Worth and all the gas stations around me are out.

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Boy... it's been a while. Am I Gucci yet?

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>>35032333
Nice
And witnessed

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>>35032337
>Bullied to hard
That what you call conclusive evidence that fluted barrel of same weight (so larger maximal diameter and thus more rigid) will cool faster from a given initial temperature as compared to a solid barrel?


Fluted:
http://www.wolframalpha.com/input/?i=solve+dq%2Fdt%3D-1.5(q(t)-100)+initial+condition+q(0)%3D200

Solid:
http://www.wolframalpha.com/input/?i=solve+dq%2Fdt%3D-1(q(t)-100)+initial+condition+q(0)%3D200

Fluted q(t) soln:
http://www.wolframalpha.com/input/?i=100+%2B+100+e%5E(-1.5+t)+from+t%3D0+to+t%3D5

Solid q(t) soln:
http://www.wolframalpha.com/input/?i=100+(1+%2B+e%5E(-t))+from+t%3D0+to+t%3D5

I mean I guess I could go more in depth about how a fluted barrel of larger maximal diameter than a solid barrel of small diameter is more rigid.

>>35032343
Pic related.

>>35032351
I had a decently running Cetme for years. G3 furniture. Shot several thousand rounds through it. Sold that shit once I grew up and realized that running and gunning with a 308 isn't ideal.

>SCAR17
Designed to be a fucking DMR

308 is suboptimal for CQB.

>>35032407
Not really. But its /arg/ hivemind as fuck

>>35032406
No I meant 1/5 of all refineries in the US. Wholesale gas prices are currently at a 2 year high and expected to increase. There will be a nationwide gas shortage, and economic turbulence.

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>>35032407
I hate that you protected your brass deflector

>>35032416
If only you knew the list of titanium parts...

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>>35032411
The mk20 was designed as a DMR
The SCAR was designed as a battle rifle

>>35032281
>pol
>jobs
>laptop
Put your trip back on Guddy.

>>35032411
I really, really like the Pollice Verso
I kind of want a big print of it

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>>35032281
>cat5 hurricane to hit the carolinas
>get job working 5min from sc coast
>start september 5th
>can't take sbr legally
rip me

>>35032436
RIP

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>>35032408
we 3d posting now

>>35032411
>a fucking cetme
Shoulda just stuck with not owning one
>post yfw hk and fn make and sell 13" barrel assemblies for operators operating operationally like you dreamed of since boyhood

>>35032419
So youre saying that Houston had 1/5 of the refineries?

>>35032447
That region of the US did, yes. There are rumors that the Govt. might have to dip into the strategic petroleum reserves.

>>35032436
Just build an AR pistol

>>35032055
wot scope?

>>35032519
PA 3x prism

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>>35032436
Yeah how will you hold off the masses with only 1 AR?

>>35032529
Arent both of his rifles sbrs or is his 14.5 P&W?

>>35032436
>get into firefight during hurricane
>all shots land 10ft to the left or right
should've went with 308

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>>35032425
My bad. Still a battle rifle serves and was designed for a different role than an intermediate carbine, and so my point stands.

>>35032434
Good taste in screensavers.
>Print of western art
What are you? A fucking Nazi?

>>35032436
This is one the reasons why I'm hesitant to SBR my new lower.

>>35032445
>My boyhoods dreams were crushed long ago, and so should yours.

>>35032447
Not hard to believe.

>>35032542
No you fucking retard. Look at his god damn pictures. They are clearly different barrel lengths.

.308 is the confirmed hurricane round?

>>35032542
Sorry Ash I didn't read what you posted. Yes his 14.5" is P&W. I think.

>>35032407
What's that shit on the brass deflector?

>>35032522
looks like my only choice is to not take the job

>>35032620
4 >>35032529

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>>35032442
Good call

>>35032619
3M fuzzy side of velcro cause steel case ammo chews deflectors. Brass too eventually. That and I'm that asshole that knows it makes autistic manchildren scream.

>>35032454
They already did

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>have pistol lower
>has pistol buffer tube

ok, so what's the best option for a "arm brace"?

>>35032664
kak

>>35032664
KAK Shockwave or if you're willing to not use the tube you already have then the Maxim PDW "brace"

>>35032664
Kak

>>35032664
How current is this image?
Shockwave Blade is the best function for the cheapest cost most likely.

>>35032688
>filename is literally a timestamp
You're REALLY stupid today, aren't yuh?

>>35032681
do the pdw stocks use a standard buffer spring?

>>35032701
Matey, you have ~week to buy the mk12 before this armslister

>>35032056
What glock slide is that

>>35032717
No, it's proprietary I believe, It comes with it though, and there's an upgraded buffer and spring you can get for it (think A2 has it)
>>35032719
$3.99 and sure

>>35032733
62 dollars and some good succ

>>35032738
60 and you make WGWS suck the barrel with a round in the chamber (he could probably suck the bullet through the rifling without any powder anyways)

>>35030645
I'm trying to slowly do another build. Gucci and expensive .300blk 10.5" "pistol" That I could put a tax stamp on for an SBR later on.

What are some good brands to look at for parts I'm missing?

So far I have
>stripped upper: Noveske Gen I Chainsaw
>Lower: Noveske Gen I Chainsaw
>Flash hider: Noveske KX5
>Charging Handle: Noveske "Super Badass"
>End plate: Noveske QD
>Binary trigger
>Cryptic Mystic Gold BCG

I don't know about many other companies as far as barrel quality.

so my 10.3 with the pistol buffer is only 24" OAL which means no vfg.

is there a pistol buffer out there that is 2" longer than normal?

>>35032777
>Noveske
That's not gucci. That's uneducated consumer-tier, mistaking price for quality. It's like buying Apple products.

>>35032800
Do you need a vfg? Why not put an afg on it?

>>35032812
>He doesn't support his local businesses

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>>35032701
You still mad I called you out on not knowing shit about fluting? Come on you're better than that.

>>35032717
Just get Shockwave blade. Normal carbine spring and buffer.

>>35032722
Adams Arms Enforcer 17 assembly. Had several issues. Adams Arms is supposedly waiting on their out of house coating shop to finish up my replacement. They've had it for almost 4 weeks, say they need another 3. Meh. Reserving judgement until I get it back and shoot it.


>>35032777
Skip the KX5. You're going to get a suppressor for it eventually anyway right? Both SiCo and Dead Air make blast shields that use either the ASR or Key Mount suppressor QD system, so get a head start on your can stuff with that.
Barrels? DD, BA, Faxon, BCM.

>>35032759
>Fluted barrels are less rigid!
>Doesn't know the first thing about what physical parameters determine modulus of elasticity
Grow some thicker skin newfag.

>>35032821
>need
SHALL

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>>35032812

>>35032857
Thx man
>But.... muh pig

>>35032857
Stop bullying matey.

>>35032878
Thats not even a recce rifle

Where do i get a quality a4 clone without spending $1k+

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>>35032880
No. You're going to get a can for your 300blk, or else you're a moron. If you're getting a can, and want a "blast reducer", then buy the muzzle device corresponding to the can you want, and get the blast reducer corresponding to that muzzle device. Griffin, SiCo, Dead Air, and SF all make setups like that.

>>35032902
PSA, or Aero

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>>35031712
ill give you a real answer.

the age of those plates doesnt look good, they are probably delaminating inside. not to mention, buying second hand ceramic is kind of a bad idea, yea sure it may only cost $120, but it probably has a crack neither of you know about.

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>>35032857
If calling someone out for something stupid means that person is mad, then you're 100% NaCi 24/7
>>35032857 Pt.2
How is that relevant? You takes bantz way too seriously, maybe I would have some thicker skin if I never wore shirts either

>>35032857
What were the issues?

does this use a carbine or rifle buffer&spring?

https://www.midwayusa.com/product/1016140485/midwest-industries-receiver-extension-pistol-brace-buffer-tube-mil-spec-diameter-ar-15-lr-308-aluminum-matte

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>>35032060
>dunning Krueger
idk, but maybe you should learn how to spell before you talk shit tho anon.

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>>35032639

>>35032060
>Hairy man hands
No Thanks

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>>35032993
you wouldn't get the chance anyway

>>35033008
Well its not a trap so I wouldnt want it anyway.

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>>35032949
Failure to go into battery. Almost 3 failures per mag, and I put about 200 rounds through it before sending it back. Came with wrong irons sights. Supposed to come with tritium night sights. Came with white dot sights. Irons that it came with were loose from the getgo, and completely loose after 200 rounds. Trijicon supplied torx screws for RMR did not thread into the holes in the slide, and if they did, would have been too tall for their holes. Their mounting holes were out of spec.

Not deal breakers entirely, but definitely not good to go. Warranty process is probably going to total out to 2 months without the slide assembly. We'll see how it is once it gets back. If it is stellar, I won't right them a review at all. If it is anything less than stellar I'm tearing them apart.

>>35033008
>>35032990
>>35032639
>>35032442
>>35032322
>>35032060
>>35032408
>>35032333

atleast post gun bunnies or something, keep it /k/ related. oh and wgws save money for sleeves.

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>>35033029
really makes you think

>>35033039
okay

>>35033045
The scope set up though

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>>35033045

>>35033045
sauce pls

>>35033140
Remy LaCroix

>>35033155
Do you have the name of the video?

Thoughts?

http://palmettostatearmory.com/psa-pa10-18-midlength-308-win-1-10-stainless-steel-15-m-lok-upper-with-bcg-and-ch-516445088.html

http://palmettostatearmory.com/psa-gen2-pa10-308-complete-classic-lower-receiver-77932912.html

>>35033155
>>35033162
nvm i found it

https://www.pornhub.com/view_video.php?viewkey=46283614

>>35033166
do it

https://www.kakindustry.com/ar-15-parts/lower-parts/buffer-tubes-and-parts/pistol-buffer-tubes/sig-super-sb15-pistol-buffer-tube

will this work with a kac shock wave

>>35033168
HD versions

>Part 1: 7min of her mostly shooting guns
https://www.xvideos.com/video8867102/remy_lacroix_in_a_range_shooting_guns_and_fucks_2_guys_2.1

>Part 2: 7min of action
https://www.xvideos.com/video9991928/remy_lacroix_in_a_range_shooting_guns_and_fucks_2_guys_2

>>35033216
Get the kak tube. It has set screw dimples.

Alright fags give it to me straight
>using a polymer lower for a 9mm build to save money: stupid or genius?

>>35033276
retarded

>>35033276
Stupid.

>>35033281
>>35033283
I thought so too but explain why, just wanna make sure famalama

>>35033276
Stupid, blowback hates polymer

>>35033288
the lower will break

>>35033168
>>35033241
no thanks

>>35033319
fagget

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>>35033319
haha he posted it again
XD

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HEY FUCKERS
YOU LIKE OLD ASS 20 ROUNDERS FOR CHEAP? COURSE YOU DO YOU'RE NOT A FAGGOT RIGHT

SEVEN AMERICAN DOLLARS

https://www.cdnnsports.com/ar15-20rd-223-adventureline-used-g-vg.html#.Waie2stlDqA

SLIGHTLY BETTER ONES FOR EIGHT TOO

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am i missing anything?

>>35033267
i need it to be a long tube to keep my OAL over 26"

>>35033352
That looks good. Trigger guard?

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>>35033352
what are you starting with?

>>35033388
>Skins to dark
No Thanks

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@35033399
kys

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>>35033352
lpk?
Trigger guard?
>>35033334
BRAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAP
>>35033349
>non colt 20 rounders
No thanks

>>35033381
already have a standard one and this is for a spontaneous sbr state crossing only.

>>35033388
a complete pistol lower, i want to make it usable for crossing state like without atf approval and without changing the feel of my rifle much.

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>>35033399
holy shit no one cares about you opinions on anything least of all rifles and women

>>35033352
Why are you wasting money on a pistol build for a storm thats not gonna do much

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>>35033408
then it looks good

>>35033406
No you
>35033409
Dont talk to me anon

>>35033419
She seems like a nice girl
Yes Please

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>>35033437
don't talk to me till you get a non shit rifle you faggy little newtrip

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>>35033410
it's not actually for the storm but for future use in case i want to use my sbr at a 3gun match in sc(30min away) and i don't have atf approval


>>35033407
trying to make it as close to my sbr lower as i can, i'll get the v7 safety instead of the noveske

>>35033460
Nigger the only decent thing on your build is the aimpoint pro

>>35033452
NO!

She only goes for men with LMT or KAC. Hands of turbo-poor.

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>>35033478
and there is absolutely nothing decent about your build so I guess I win

try contributing literally anything to the thread

>>35033035
That's lame. I was thinking about getting one for a P80 build but if it's that much trouble, no.

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>>35033388
wew.

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>>35033486
move over white boy, only thic kielbasa will feed her hunger

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>>35033488
K

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There was a request for gun bunnies

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>>35033519
No way nigga she want that...

Large
Machined
Tool

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>>35033522
and take some decent pictures jesus christ

try leaving your fucking basement for once