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What is your opinion on this alien gun?
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You are currently reading a thread in /k/ - Weapons

Thread replies: 90
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What is your opinion on this alien gun?
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amazing in full auto, but a neutured one will never be the same
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Best implementation of a PDW.
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Approved by spacetime travellers and interstellar freedom fighters.
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10/10 would operate operationally with
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>>28896232
indeed
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I'll admit I've never shot it because I'm too broke, but the 5.7x28mm seems like a great round for personal defense from what I've read. Low recoil, and better armor-piercing capabilities when compared to, say, 9mm. I know that here in NJ, a couple towns over, a police department has a full auto P90 in the trunk of every cop car.
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>>28896184
Shot one, on a plan to buy one, ergos are fucking amazing, mags are cool, weight is very nice, disassembly is easy, sbr is simple. It's my favorite gun
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>>28896184
its basically the best pdw in all objective measures, and yet, it looks fucking retarded.
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Bretty gud with sleight of hand and double tap
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>>28896248
French image detected
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>>28896295
The thing is you don't normally *want* AP in a PDW. You expecting muggers wearing flack jackets? The cops actually carry these because they have LESS AP than the 5.56, which is what they are actually an alternative to here. The cops are still carrying 9mm and this is back in the trunk where they used to carry a shotgun before those got replaced with M16s. In context this is a step towards lower firepower to decrease the chance of killing innocent bystanders.

Bullpups are still a bit wierd to me. There are advantages and disadvantages. That M16 is a LOT more accurate, in practice, and it balances better as well, so I'd clearly rather have it. On the other hand, this thing packs nearly that much firepower into a much smaller storage space. There are some circumstances where that is very important.
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Outstanding design
Decent Caliber
Expensive for what it is (at least the civilian versions - mostly plastic simple blowback action, dogshit finishing on the upper, for $1300?
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>>28896206

I loved the one I rented in full auto. I wish she were mine

>I fell in love with a prostitute
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I love mine, any idea on how SBRing one works? Do I gotta buy a whole new upper or just a barrel?
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>>28896968
Machineguns, just like women, are expensive to buy. So renting them is the best course of action.
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>>28896983

...and making one of your own, then keeping her locked up in the basement makes you an international news item
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>>28897016
If you get caught.
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>>28897031
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>>28896184
If it weren't simple blowback it wouldn't be so shit. Then you could actually convert it to a caliber that isn't a failed forced meme. 9mm, .40, .45, even 10mm could fit horizontally. A couple more mm and you could fit .44 AMG. Those might actually be some use with progressing bullet technology instead of using old technology and making it smaller to the point of making it barely effective.
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>>28897062

>10mm P90

holy fuck
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>>28896584
I want to put mag pul flip up sights on mine, but i know i will look retarded
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I fucking love PDWs, and this is the pinnacle of them. But I have admit the civilian versions of them always suck, and this is no exception.
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>>28897062
>I have no idea what I'm talking about: the post

The issue isn't that it's blowback, it's that the magazine requires straight walled ammo to feed properly. Nearly all common calibers that would fit into a magazine as wide as the top of a P90 are tapered so they wouldn't feed.

10mm is the most commonly requested conversion, because it's one of the only calibers that could feasibly work with the style of magazine the P90 uses. It has nothing to do with the operation of the weapon.
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>>28897062
>b8ing Marisa this hard
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>>28896970
how do you own something like that and know nothing about it?
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>>28896970
You cut down and recrown the barrel
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>>28896232
I'm rewatching this entire series right now. The desire for a P90 has never been stronger
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Excellent PDW when used how they were designed. Completely pointless as a civilian firearm in every conceivable respect, and all the bitching about the design comes from people that think it's supposed to be a SMG.
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>>28897430
>10mm is the most commonly requested conversion, because it's one of the only calibers that could feasibly work with the style of magazine the P90 uses. It has nothing to do with the operation of the weapon.
So why don't they do it?
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>>28897479
Because even though 10mm is less of a special snowflake round than 5.7x28, it's still a special snowflake round that not many guns are chambered in. The fact that you could still easily find it after Sandy Hook speaks volumes for its popularity.

I'm not saying it's a bad caliber, but it sure isn't common. Considering the PS90s hit rock bottom prices a couple years back (I got mine for $800 NiB out the door), I think it's fair to say that FN has more or less given up on the platform.
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>>28897463
Oh lawdy no. You need to buy and install a p90 barrel.
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>>28897565
You CAN have a couple places cut down your existing barrel, but it can get dicey. You're better off buying a 10.4" CMMG($300) or 10.3
FN ($800+) barrel as you said, however.
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>>28897621
800 for a barrel?

holy fuck
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>>28897517
At least 10mm is effective in normal circumstances, i.e. semi-auto and against unarmored targets. It's actually good as a self-defense round. A P90/10 would be a fantastic home defense gun, backpacking gun, and hunting gun for anything up to mid-sized game.
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>>28897673
That's a factory FN P90 barrel. There aren't many of those floating around which is why CMMG makes one.
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>>28897687
You can't hate the 5.7x28 round for what it was designed for, however. It was designed to be shot out of the P90 in short, controlled burst. The fact that we have a gimped version of the gun is the NFA's fault, not FN's. As for having gimped ammo, MAC (I think it was MAC) and many other youtube channels have shown that regular FMJ 5.7x28 bullets will penetrate IIIA body armor reliably.

I think the Five SeveN is a stupid gun because it's trying to make a round do something it was never intended to do. 10mm out of a full auto P90 would be uncontrollable, but would be ideal in a semi-auto version.

In short, blame the gubmint. If we could get a real deal P90, it might have taken off more in law enforcement (where it's still a pain to get select fire weapons) and the civilian market. If it took off, FN might have felt compelled to make a 10mm version, but as it stands, it just isn't worth their time.

Oh well, if you want a 10mm subgun/pdw, there's always the 10mm KRISS Vector coming out.
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>>28897450
Owning something doesn't magically glean you knowledge on modifying it. Hurr durr, why don't you just make a new barrel by hand and custom mill a trigger pack.
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>>28897743
I just want the horizontally mounted magazine and downward ejection.
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>these people saying they want the same thing I've been trying to design that will probably never see reality
Still cool though

>>28897743
Lever delayed blowback plus the long travel required for downward ejection behind the magazine should theoretically make it a lot more controllable than, say, a 10mm MP5.

>>28897783
This is a good idea because 10mm is a straight walled cartridge, but most of the US gunbuying market would probably rather shoot 9mm most of the time due to cost. Unfortunately 9mm isn't straight walled and would likely have problems with a straight horizontally mounted magazine, unless it was designed to alternate bullet rotation (for example, top row is pointed right, bottom row is pointed left).
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Pretty cool man

Supposedly the Gen1 version can easily be converted to full-auto
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>>28896970
You can either buy a CMMG barrel and drop it in, or you can send your barrel off to TROSUSA to cut down.
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>>28896968
>SHES FIRING WITH HER LEFT HAND
>BUT THE GUN IS ON THE RIGHT SIDE OF HER HEAD
>FUCKING WHYYYYYYYYYYY
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>>28898062
Awesome. Thanks man
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>>28898025
>Supposedly the Gen1 version can easily be converted to full-auto
They can be. All you have to do is move the spring that puts tension on Sear C out of its slot so that it's not exerting tension on the sear and the gun is in full auto mode. Note that it functions like a lightning link in an AR insofar that it's always in full auto mode. It's not like a true P90 hammer pack where a short pull is semi auto and a long pull it full auto.

To convert it back, just slide the spring leg back into the notch in Sear C. This only works in Gen 1-2 hammer packs or Gen 3 hammer packs with an aftermarket hammer. Gen 4 hammer packs are impossible to convert because they're lacking the safety sear (auto sear).
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>>28898110
Left handed, right eye dominant. It's a real thing. Look up cross-dominant shooting.

>>28898119
You do know you need a tax stamp to legally do that, right?
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>>28896226
>>28896232
>>28896248
>>28897468
>>
>>28897468
I'm going to start it when I finish TNG. Only ~1.5 seasons to go.
>that nostalgia
soon, soon
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>tfw you will never be able to trade your SBR stamp for an MG stamp
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>>28897468
Just fired season 1 because of this thread
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>>28898139
What, does the ATF randomly visit ranges with tape measures or something?
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>>28898257
;_;

Hopefully hollis v holder goes through
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>>28900011
penisinspectionday.jpg
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>>28900030
It will.
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>>28900011
You'd be surprised what an anonymous tip can lead to.
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>>28900011
Have you seen the two lengths side by side? They look nothing alike
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>>28900143
this, my uzi would stick out like a sore thumb if it had the smg barrel. anyone that knew guns and saw it would know it was an sbr
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>>28900182
Don't worry brah, it's just a PS90 pistol.
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>>28900260
if this was a thing it'd be the most ugly abomination in existence.
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I'm currently saving for one with a black ring sight as my second SBR. It's what's been getting me through my work days. I've thought about editing a DO IT FOR HER pic with PS90 pictures to keep me motivated.

Should be another two months before I have enough money. Hopefully nobody buys it before me.
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>>28897096
Meh. Too late in the game to be useful.
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>>28900346
>finger on the trigger
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>>28900346
What is happening in this picture?
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I've loved it since 1997

>dat ROF and door penetration
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>>28900697
Not that anon, but if I remember correctly a swiss anon and his buddies were doing something (cleaning?) their 550's when they realized they could do all sorts of funky stuff like what is going on there.
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>>28900143
If you have a stamp and are using your NFA firearm, do you need to carry your paperwork with you? Asking for it without probable cause is a 4A violation, but it wouldn't surprise me if the law was unconstitutional in that matter. Fuck I hate the Feds so much.
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>>28900095
really??? i had my hopes down because evrhyone is saying it wont and all the mg owners who dont want thei rcollections to be worth nothing are against it
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>>28896184
Oh the technology that went into it. Ugly af but it wasn't built for looks.
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>>28901282
I carry my paperwork in my pouch and many other people carry it with them too, I'm not sure if it's the law but it's a nice "fuck off" to anyone who tries to bother you over it, not that that's ever happened to me anyways.
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>>28896184
Want one. Been looking at them lately, but poorfag
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>>28900260
SBR*
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>>28901282
Here's the scoop.

>only ATF agents can ask to see your stamp
>it is suggested by the ATF to keep a photocopy of your approved Form 1 with the weapon at all times
>Any LEO or federal agent who is not ATF does not have the right to ask for your Form 1 because it's technically a tax document that they have no right to see
>a LEO might hold you and call an ATF agent to check if he's a dick

Some popular ranges do have regular visits from ATF agents. If you're caught without a tax stamp, I'd imagine that would create a hell of a lot of trouble for you. Also, some states have laws saying you legally need to keep a copy of your stamp with the gun, but that's not on a federal level.
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>>28897743

W what would you need to change to make a ps90 in 10mm? I'm thinking barrel, bolt face, magazine follower and whatever the thing that serves as the feed lips is called. That can't be too hard, can it?
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PS90 trigger pack 3rd gen and below came with an auto sear.

You can convert it to full auto functionality of single shot for half pull and full auto for full pull with relative ease.

FN corrected their mistake beginning with 4th gen PS90 trigger packs.
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>>28902148
Only guy I know who has been asked for his tax stamps by ATF agents has been asked a few times. Mind you he has a LOT of SBRs and home made cans.
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>>28898110
While it could be eye dominance, it's just basic composition. You generally don't want the face obscured.
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>>28901386
Fuck those MG owners. Unless it's a rare firearm their collections should be worth jack shit.
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>>28904187

That's true, but the value of the firearms is in equity and as loan collateral, and once you start playing that kind of game you tend to lose your moral equilibrium.
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>>28896184
The caliber and gun would be perfect for law enforcement due to it being able to defeat armor yet not over penetrate barriers and suspects, thus reducing bystander kills or injuries...but politics will never allow this thing to be adopted.
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>>28900449
1990 bro.
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>>28903822
Only gen1/2 packs can be easily converted. Gen 3 hammers have the wrong notch cut for the sear.
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>>28903730
>barrel
>entire bolt
>higher power springs for the 10mm blowback action
>magazine body (current one is too wide)
>magazine follower
>magazine spring
>magazine helix feed ramp
>10mm barrel will probably be a larger diameter than the 5.7x28 barrel, so the receiver will probably need machining to accommodate it

So no, it wouldn't be easy at all. You'd be better off just designing an entirely new firearm.
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>>28905230
It's worth noting you can easily buy a billet Gen 1 hammer to install in your Gen 3 pack.
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>>28897912
When are you going to start your own thread about the design your working on?
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>>28906842
Yup, some dude on the fn forums makes em.
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>>28897463
The stock ps90 barrel is a pencil barrel suspended in a shroud. You need to replace it or do weird flash hider welding shenanigans since there's nothing to recrown
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>>28897912
How does the lever delay work, exactly?
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>>28897912
Since .357 SIG and 9x25 Dillon are based on straight wall cartriges, would they feed alright?
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>>28896184
If they're not going to give you anything but mutilated versions of it, they should make it available it in a normal caliber.
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>>28898139
>>28898110
>>28896968
IIRC she took a bullet in the upper arm/shoulder and that messed up her shooting stance.
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