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ar upper
The AR-57, also known as the AR Five Seven , is a Lower receiver for the AR-15/M16 rifle and an Upper receiver, firing 5.7×28mm rounds from standard FN P90 magazines. It was designed by AR57 LLC and is currently produced by AR57 of Kent, Washington, USA. The AR-57 PDW Upper is a new design on AR-15/M16 rifles, blending the AR-15/M16 lower with a lightweight, monolithic upper receiver system chambered in FN 5.7×28mm. This model is also sold as a complete rifle, supplied with two 50-round P90 magazines. The magazines mount horizontally on top of the front handguard, with brass ejecting through the magazine well. Hollow AR-15 magazines can be used to catch spent casings.
Unlike the standard AR-15 configuration which uses a gas-tube system, the AR-57 cycles via straight blowback. A full auto version exists marketed as a competitor to the P90 and other personal defense weapons.
I was hoping someone could help me identify this upper I have before I spend any time or money into a build. It is obviously used but does not look abused. Any help would be appreciated.
I have had this in my safe for years now. 40 rnds through it. FN produced 12 inch cold hammer forged barrel. Carbine length gas system. 11 inch rail, PSA labeled, not sure who actually made it. PSA aluminum flip up sights. Griffin recoil comp, about 400 rounds have gone through it. The Lantac...
Built this a while ago and and it's everything I hoped it would be. But Days Are Long And Years Are Short and iron sights and me don't get along like we used to :(
The lower, adaptor and mags ARE NOT included and are just there because that is where they are right now.
What is included is...
Have my used (less than 300 rounds) PSA 10.5 Phosphate Coated Barrel Upper, 1/7 twist, with PSA (steel carpenter 158) BCG, CH, and a Midwest Industries Rear sight for grabs
$450 400 380
No trades on this sale
Local (FTF) sale, no shipping
Thank you
10" upper with red dot. Hybrid bolt, have ran this with both the endomag and glock mag lowers. I bought the barrel used, the rest of it new. The 7.5 oz heavy buffer ran great with a standard carbine spring.
If the new proposed definition of receiver and frame is put in the books what will happen to AR upper receiver prices. Currently they can be bought stripped for around $50 to $100. If a background check is required for them that would add $25 to $50 in fees. Do you think demand for them will...
I’m selling my Always Armed Upper. It’s only seen 50 rounds through it. Fires amazing but for me it’s personally to loud. It’s a 7.5 inch upper. Titanium color. Selling for $300 or better offer. Willing to trade for a shotgun too. 556/223 upper
complete ar-47 upper.
7.5" ARD barrel 1/10 twist
Billet upper
9" psa keymod rail
I believe the BCG is a older bear creek, phosphate finish, non-enhanced firing pin.
Extended latch charging handle
KVP 3.25" magnum linear comp
Have had some ftf issues with this upper that I believe is due to...
I have a slightly used (less then 100 rounds) 7.62x39 upper.
Specs;
11 in barrel 1:9.5 twist
Bcm gunfighter charging handle
Silencerco asr muzzle brake
I spray painted the upper and 2(30 round) magazines to be able to identify it from my identical 300blackout upper
BUYER PAYS SHIPPING IF NOT...
Upper for sale. No bcg or charging handle, also red dot will not include reptilia mount but will include factory mount. About 300-400rds through it. Works well with a factory buffer spring and h2 buffer. List of items below.
-aero m4e1 upper receiver
-ballistic advantage 7.5” barrel
-larue LAT...
Im looking for a dedicated 22lr upper, I have lots of AR15 lowers and id like to build a dedicated 22lr so barrel, or a whole kit let me know what you got
I would like a 22lr AR upper if anybody wants to do a trade or sale. I have various AR's of different calibers to trade or I can pay cash for a good deal
I'm looking for a dedicated .22lr upper for my AR. Ideally a CMMG resolute or similar, but I'm open to what is available. Please no conversion kits. I'm looking for uppers in .22lr only. Thanks!
For sale/trade is a slick side stripped upper receiver. Unknown manufacturer but it is compatible with standard AR pattern parts.
Used for approx. 400 rounds. Has a few scuffs but no major issues.
Asking $60 or trade for 200rds of 12ga or 2 bricks of 22lr.
Will ship for an additional $10
Selling my ABC Rifle Company 10" 7.62x39 complete upper ACCESSORIES NOT INCLUDED. I'm selling it to buy a different upper for the lower, it has around 500 rounds through it. I did upgrade the firing pin to an enhanced firing pin to ensure no light primer strikes on surplus ammo, I also put an...
AR upper Armalite 16in 7.62 x 39
Fits standard AR 15 lower
Low round count, selling to downsize calibers
$300 Sell in person only, no trades please
I live south of Portland