Aside from weight, size, noise and shit tier ballistics what

>>34880232
>shit tier ballistics
I mean... Compared to a pistol round? Not really. It's just not up to its full potential.

>Aside from weight, size, noise and shit tier ballistics
SBRs weight the same, are about the same size, are invariably used with a can and have violent cavitation even out of 10-11 inch barrels. The real downsides, particularly in ARs, are nasty back gas and sharper kick due to fatter gas to improve dwell times.

>>34880279
>SBRs weight the same, are about the same size
go ahead and compare a MK18's size and weight to an MP7, an MP9 or an MP5K

>can
they still make much more noise especially at shorter barrels

>>34880339
an MP5K is a lot heavier than it looks

>>34880339
MK18 is about 3kg and MP5 is about 3kg.

>>34880613
>>34880576
MP5k is 2 kilos
mp7 is 1.9 kilos
mp9 is 1.4 kilos

mk18 is 3 kilos

>>34880278

>a .22" hole

>>34880715
Yeah, you see a .22 inch hole.
Now flip the body over and measure the exit wound.

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>>34880715
>what is velocity
>what is penetration
>what are terminal ballistics, fragmentation and wound cavities

>>34880651
>kilos
>>34880715
>this retarded
Fucking Euros.

Better get on the phone with DEVGRU and tell them anon on 4chan says SMGs are better than SBRs now so they better stop using those SBRs.

>>34880232
None. In fact in close, SBRS still have decent ballistics. Seriously though, the only reason to get a subgun is for cheap plinking shits and giggles

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>>34880613
>>34880339
mk18s are so sexy

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>>34880715

>>34880831
>the only reason to get a subgun is for cheap plinking shits and giggles
and the fact that it's much more smaller, lighter and carries more rounds in the mag, and is better suppressed than SBRs and kicks less and has retractable stocks, all that while having ballistics that are close to 556 at 10" barrel

>>3488023
itsjust9mm.gif

>>34880903
>carries more rounds in the mag
>all that while having ballistics that are close to 556 at 10" barrel
So now we've ditched the MP5 and are talking about the PS90?
>has retractable stocks
Or not? What are you on about?
>better suppressed than SBRs
Entirely a matter of load. Only a fool would take a subsonic 9mm/5.7 over a subsonic .300 blk. If its not subsonic, noise doesn't matter since the point of the suppressor is to conceal the report and therefore your position, not the sound itself.

>>34880715
>>34880734
>>34880740
>>34880775
>>34880847
blame some faggots over at /arg/ for perpetuating this horse shit

>>34880740

> velocity
> barrel under 18"

Pick one

>>34880947
>So now we've ditched the MP5 and are talking about the PS90?
this was my first post in this thread, i did not talk about 9mm

i'm talking about 4.6x30mm
>Or not? What are you on about?
the fact that ARSBRs' stocks cannot be fully retracted like the MP7

>>34880967
.223 gets ~2400 f/s from a 10" barrel, while even +P 9mm only gets ~1600 f/s from a 10" barrel. Its not optimal for the round, but it still leaves 9mm for dust.
>>34880981
>the fact that ARSBRs' stocks cannot be fully retracted like the MP7
So get a 16S or Bren instead.

>>34881027
>So get a 16S or Bren instead.
nah
hey
listen
maybe if you can
get a krink

>>34880958
Might as well, I literally don't go to /arg/ for a good reason

>>34880967
So now you're just admitting that you're a retard.

I'd go with 5.56 SBR because:
5.56 won't overpenetrate and risk killing your neighbor's dog, 9mm penetrates significantly more
5.56 has 2-4x the muzzle energy of 9mm
5.56 has a much higher lethality rate
5.56 is effective at far longer ranges

9mm is cheaper
9mm is lighter
9mm is quieter, but still will fuck your hearing indoors

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>>34881578
>5.56 won't overpenetrate
>has more muzzle energy
>won't penetrate
>more energy
>won't penetrate as much with a thinner projectile

>>34882093
5.56 fragments, literally everyone knows that. How long are you going to drag this out?

>>34882162
I'll drag my dick out for however long I goddamn want. But whatever retard that thought 9mm overpenetrates and does catastrophic damage to whatever's behind it is retarded. Rifle rounds are going to have higher velocity.

>>34880903
/THREAD.

>>34880958
But the guys at /arg/ fucking love SBRs and know 5.56 fragments...what did you mean by this post, anon?

>>34880903
>all that while having ballistics that are close to 556 at 10" barrel
I am praying to all unholy fuck you're just shitposting and not seriously proposing 9mm has the same performance as MK 262 out of a Mk.18. Jesus even M193 would still perform better.

>>34881027
>.223 gets ~2400 f/s from a 10" barrel
>+P 9mm only gets ~1600 f/s from a 10" barrel

so it's good for using inside a building rather than outside, so SMG still has use for SWAT teams

comparing SMG to carbines is like comparing apples to oranges anon

>>34883051
>so it's good for using inside a building rather than outside
https://www.youtube.com/watch?v=X0qgQoej5zE
The amount of underage faggotry in this thread is astounding.

>>34880339
Two of those aren't even SMGs.

>>34882929
>But whatever retard that thought 9mm overpenetrates and does catastrophic damage to whatever's behind it is retarded.
Sorry, you're retarded.
https://youtu.be/X0qgQoej5zE?t=143

>>34883079
>using gold dot for 5.56 but not for 9x19
>on top of that 9x19 115gr is really effective to go through car doors
>make """walls""" that are just iny plank separated a few inches away

holy shit anon your federal sponsorised youtube show can't be this more shill

https://www.youtube.com/watch?v=CiHHgjaR0TI&t=932s
watch this instead, it's for shotgun but at least the wall test is made correctly, just to give an idea of how wrong you are

now go find me a "test" video that is not biased to death

>>34880958

people still believe this. fuck

>>34883037
>velocity of 556 out of a 10 inch barrel: 2500 ft/s
>velocity of 5.7x28 out of a 10 inch barrel: 2400 ft/s

>Energy of 556 out of a 10 inch barrel: 700 ft/lbs
>Energy of 5.7x28 out of a 10 inch barrel: 400 ft/lbs

>>34883176
>b-biased!!1
Predictable, yet pathetic and sad nonetheless.
https://www.youtube.com/watch?v=AXOIQgfvVlE

>>34883224
>Ballistics is velocity and muzzle energy
Anon, do you have a gun?

>>34883176
>>make """walls""" that are just iny plank separated a few inches away
that's drywall you fucking retard

>>34883227
>again every single wall are hanging a few inches each others
>still don't understand that separation between walls does have an importance in term of ballistics
anon, it's not because you are a midget that mean everyone in the world is also one...

>>34880232
Depending on the PCC and the SBR, PCC's often recoil more than the same size SBR. A 9mm ar kicks 'harder' than a normal ar and most of your blowback PCC's are the same way. The MP5 you posted not so much. Mine barely recoils at all but most PCC's are blowback and have the same or more recoil than a SRB AR.

>>34883252
as far i know, drywalls when build correctly are 2 planks with insulation in the middle, not just a bundle of planks alligned 4 inches from each others

>>34883079
>9mm over penetrates
why do you say this like this is a bad thing?

>>34883260
>some foreignfag has multiple pieces of evidence showing 9mm is just as susceptible to interior overpenetration as 5.56
>does nothing but type out poorly thought out arguments as to why this evidence doesn't count in mangle English
Sad.
https://www.youtube.com/watch?v=x9_IKqAjG3w

>>34883283
Oh my god you're an actual moron, I'm so sorry.

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>>34883278
>as far i know
>planks
you don't know shit holy fuck

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>>34883051
>so it's good for using inside a building rather than outside,
>>34883283
>why do you say [9mm overpenetrates] like this is a bad thing?

>>34883334
i'm not that anon, retard.

>>34883344
congrats you're both still confirmed retards who don't know what drywall is or why overpenetration indoors is a bad thing. good job

>>34883289
>post an other vid with drywalls close to each others
do you know when bullet loose velocity they tumble ?
this is very important you know

also here's one video that show what i'm pointing
https://www.youtube.com/watch?v=2lkUvixtRVw
5.56 did not overpenetrate against bricks ( with cement inside ) but it did create cracks and broke even a few bricks

5.56 has more muzzle enegy than 9x19, and 9x19 can have an even less muzzle energy if you have 157gr or 147gr bullets.

if you want to avoid penetration with 5.56 you need ot use 55gr and now watch this
https://www.youtube.com/watch?v=3PAHu-5-aUM&t

5.56 at short distance impacting a body still won't have the same ballistic that hitting a wall/fridge/whatever because body mass is different that anything else ( this video also show that subsonic ammo is quite bad for self defense )

>>34883368
>>34883300
>unironically caring about collateral damage
>unironically living in a drywall house

>>34883387
>do you know when bullet loose velocity they tumble ?
See, I think the other anon saying you don't know anything about walls really is on to something, because you think drywall will do anything to stop a tumbling round that has anything resembling a cohesive mass. Even though in the half dozen videos that have been posted so far, this is on ready display. You're just some gunless foreign retard talking about shit you know nothing about. To say a 9mm SMG is "better" indoors than a 5.56 SBR is retarded because the 9mm round is still going to overpenetrate to all shit and back while having inferior ballistics (do you know what that word means now, by the way?).

>>34883464
>gunless foreigner
anon, please, i haven't started praising some "queen" ;^), also
>think 5.56 has better ballistic because it "fragment"
well yeah it does, but only during certain condition that allow the deployed energy gained by the bullet to make sure that round will not fucking go through the body and make .22 sized hole LIKE IN THE MEDICAL VIDEO I'VE PLACED ABOVE

9x19 will do far superior at close range because less energy is deployed and thus, make sure the round will expand when hitting a human body or create a big enough sized hole in someone if it did not, but since you don't want to understand i'll just go away to an other shitposting thread

>>34881027

>5.56 under 3,000fps
> fragmenting and leaving a non .22lr wound

Pick one.

>>34883224
>Almost half the energy
>"Lmao it's pretty much as good"
Kys

>>34880232
Speaking of small dakka, am I the only person who wants Machine Pistols to make a comeback? That'd be GOAT for undercover and cop work.

>approached by 3 esteemed gentlemen of the night in hoodies, baring knives
>BRRRTTT

At close range, 15 rounds of 9mm would be nasty

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>>34883224

>>34882929
>inertia isn't real

>>34883515
>but only during certain condition
And that "certain condition" is fragmentation threshold, which is literally all it needs to fragment you idiot

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>>34884086
>mfw even M193 from a 14.5" fragments at under 2700fps
Anon...

>>34885154
that moment when you realize that 77gr TMK's at 2550 from a 11.5" and 2750 from an 18" make all of these rounds look like childs play.

>>34886927
especially when it fragments down to 1900 fps....