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AR15.COM
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7/24/2009 2:34:33 PM EDT
Hi, my brother won'ts a P90 bullpup, I know nothig about this Gun! I was wondering if you could build one from a kit like an AR? If so does anyone know where to find parts or kits?
7/24/2009 4:25:29 PM EDT
[#1]
The P90 is the military version that is select fire meaning it is capable of fully automatic fire as well as semi-automatic, which is illegal under Federal law to own by a civilian.  

The PS90 is the semi-automatic only civilian version that can be legally owned by civilians.

The PS90 is not sold in parts on a  consistent basis. Parts are available, but are very expensive. I'm afraid assembling a PS90 just isn't practical at this point.  

Even if you could over time build one it would most likely cost you far more than buying one direct right now. AK and AR builds are much more practical.

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Now the above said you can do an AR build that would give your brother the ability to fire the same 5.7x28mm round that the P90 uses and use the same magazines.

It's called the AR Five Seven. It is basically an upper receiver conversion kit you can use with an AR lower receiver.  I don't own one, but I have heard very positive things. I'm sure you can ask in General Discussion and find someone who does own one and could help you out more than I can.

The AR Five Seven website is linked in red below. Click it and it will take you to the AR Five Seven home page.

http://www.57center.com/6.html?m8:cat=/AR57%20upper%20assembly&sm=76843

.
7/24/2009 4:38:51 PM EDT
[#2]
I owned PS90's for a couple of years but now all I have left is the wife's PS90 (see pic). My PS90's were all extremely reliable, very easy to strip/clean (blowback action) w/minimal recoil/muzzle rise.
My advice:
Get the model w/the black reticle USG sight. Sell that sight and use the funds towards a top rail & replacement optic of your choice (the TROS ultralow Aimpoint mount w/Aimpoint CompC3 would be my first choice if weight isn't critical).
Get an enlarged charging knob for the lefthand side.
Buy only FN factory mags, I've heard too many bad things about the new & cheaper aftermarket mags.
Tomac
Wife's PS90 w/enlarged charging handle, Fenix TK11 taclight & Aimpoint H-1:
7/24/2009 8:59:32 PM EDT
[#3]
Thanks guys! thats what i needed to know.
7/24/2009 10:24:59 PM EDT
[#4]
Quoted:
I owned PS90's for a couple of years but now all I have left is the wife's PS90


Any reason why you got rid of them?  Just curious.
7/24/2009 10:46:22 PM EDT
[#5]
Quoted:
Hi, my brother won'ts a P90 bullpup, I know nothig about this Gun! I was wondering if you could build one from a kit like an AR? If so does anyone know where to find parts or kits?


CMMG has barrels / barreled receivers / bolt carrier groups / hammer packs and stocks.

The parts aren't cheap but you could probably peice one together over time.

Oh yeah, welcome to Arfcom.

7/24/2009 10:48:05 PM EDT
[#6]
uh, no offense but you are WAY off base. no you cannot buy a kit you will have to drop over a grand on it too and the balistics get shitty after about 200-300yds
7/24/2009 11:15:32 PM EDT
[#7]
Quoted:
uh, no offense but you are WAY off base. no you cannot buy a kit you will have to drop over a grand on it too and the balistics get shitty after about 200-300yds


You can buy the parts from CMMG, but the price is at $1700 in parts to build it. Probably better off saving and buying one outright.

7/25/2009 4:57:56 AM EDT
[#8]
Quoted:
Any reason why you got rid of them?  Just curious.


Had to liquidate some of my firearms to help my son out financially. By the time I recovered I'd decided I wanted something w/more power but was still a bullpup (PS90 spoiled me, love bullpups now!). Tried the FS2000 but didn't care for the handling, ergonomics, lack of bolt hold-open, wide forend w/no VFG, inability to take Pmags or the scary-complex bolt assy. Bought my first STG sight unseen and knew I'd made the right choice the moment I shouldered it. Would replace the wife's PS90 w/an STG if she could work the charging handle!
Tomac

7/26/2009 9:16:25 PM EDT
[#9]
Quoted:
uh, no offense but you are WAY off base. no you cannot buy a kit you will have to drop over a grand on it too and the balistics get shitty after about 200-300yds


once again, people dont understand what the 5.7 is designed for. thats like saying dont get an MP5 (clone) because the balistics get shitty after about 200-300 yards (I dont know exactly what it is for 9mm in an MP5). If your after range, theres many good ways to go but up close, 5.7x28 is hard to beat. realitivly cheap too, $20 for 50 rds is about normal for pistol ammo these days.

also, I myst say, the PS90 is probably the funnest gun in my safe. Its probably been my best buy.
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