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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.
Up for sale, Southwest Washington, Vancouver area, Clark county area.
Premium AR upper. 223/5.56
Build list:
Aero M4E1 upper receiver.
Ballistic Advantage. 16” Hanson profile, 416R 1-8, .223 Wylde, premium series, with pinned low-pro gas block. A2 flash hider.
Larue 12.0 quad rail, lightweight...
$700 OBO
LWRC PSD - CLASSIC MOD 0 5.56mm gas piston operated upper.
8.5" Barrel. 5.56 caliber. M6A2. Forward assist.
No BCG. Badger Ordnance charging handle.
Questions? Please ask.
Prefer cash sales, but open to trades.
Looking for ammo, S&W revolvers, or maybe something I haven't thought...
Before ordering a new one, figured I'd see if anyone has one sitting in a safe taking up space.
I know, "you'll kill the lower" "save your money and buy a real 50" and all the arguments about an AR upper in 50bmg. Not in the cards for me and not looking to argue.
Looking for a SHTF, Raptor...
Rosco .223 wylde 10.5 inch barrel
Dead Air KeyMo brake
Sons of liberty upper
Sons of liberty .750 gas block
Geissele mk14 hand guard 9.5 inch
Does not include BCG or charging handle . Can include at extra cost.
Very low round count . 300 or less
550$ firm cash
Or trade for 9mm or 5.56
Gun...
I have an AR 16” upper for sale, it will fit most if not all AR lowers it also has flip up iron sights that I installed. This upper works fine I’m getting rid of it because I bought a new upper with a longer barrel.
I have the following 9mm AR parts for sale:
Upper SOLD
Ballistic Advantage 5.5" nitrided barrel threaded 1/2x28 $60
Anchor Harvey roll marked assembled upper without feed ramps (perfect for 9mm/22lr) $75
YHM FF solid carbine length quad rail $75
New Frontier Armory modular ramped 9mm BCG (uses...
I am selling a complete AR15 upper in 9mm. I've put several hundred rounds through this using a Palmetto State Glock magazine lower so there is some wear as shown in the pictures.
In all honesty, I found the 9mm AR to be a little frustrating. Experimenting with buffer weights, different...
As pictured brand new
Aero precision upper
7.5" m lok rail
$140 cash or paypal final price drop
Trade for 9MM/223/556 ammunition
gresham
No bcg or ch guys
Its a stripped upper and handguard combo
Up for sale is a heavy barrel AR project upper from years ago.
It has a 20" stainless heavy barrel of unknown origin, charging handle, JP adjustable gas block, and JP handguard. The BCG is included. I shot it maybe one hundred times before I got distracted to other projects. Out it goes...
Up for sale. SW WA, Vancouver area, Clark County area.
Premium assembled AR-15 upper receiver. $480.
Built with:
Aero M4E1 upper. $134.99.
https://www.aeroprecisionusa.com/m4e1-threaded-assembled-upper-receiver-black
Ballistic Advantage Hanson 416R .223 Wylde 1-8 HP MP Premium series 16” mid...
Back for sale is my used PSA 10.5 Phosphate Upper barrel with PSA BCG, charging handle, a Midwest Industries Rear sight and a Bushnell TRS-25 Red dot.
Less than 300 rounds trough it
$340
Only trade interested would be a Sig 365XL or Glock 20 (adding money from my side )
Local (FTF) sale or...
Up for sale is this brand new/unfired psa shorty upper. The hand guard was swapped to the MOE SL (vs the MOE) and mlok QD sling mount added. Tossing in a used milspec charging handle from a recent takeoff for free. Overall length just a hair under 17 inches. Nothing wrong with it, just recently...
Hello,
Selling my AR upper. Was a budget build from years ago I no longer need. Has a DPMS bull barrel (.223 chamber + 1 in 8 twist), LWRC handguard, Nikon P223 (bdc reticle), and some other cheap goodies on it. I bought it from CDNN originally, I’m unsure if they put the upper together or if...
Bushmaster upper receiver with bolt carrier group and charging handle. 1:9 twist.
I haven’t fired this since I’ve owned it. It looks like 16” but I have not measured it. Only for sale to people legal to own firearms.
Can accept various forms of payment. I am not especially interested in...
If you search for "upper" in classifieds, the list is fairly long, especially for uppers with barrels under 16". Prices seem high to me but maybe their ad descriptions aren't up to snuff. (Edit: Or buyers are cutting back on upper purchases)
* 16” Atlas S-one complete upper - **$400 Shipped**
* Less than 200 rounds between two sessions, cleaned after each range trip.
* The original A2 Birdcage has a scratch on it from when I took it off.
* Here's exact model and the lowest I can find it new...