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upper receiver
In firearms terminology, the firearm receiver or firearm frame is the part of a firearm which integrates other components by providing housing for internal action components such as the hammer, bolt or breechblock, firing pin, extractor and trigger mechanism, and has threaded interfaces for attaching ("receiving") external components such as the barrel, stock, grip and mounts of telescopic sights. The receiver is often made of forged, machined, or stamped steel or aluminium; in addition to these traditional materials, modern science and engineering have introduced polymers and sintered metal powders to receiver construction.
Great upper receiver. Gibbz was one of the first doing this style of receiver. Now there are others but Gibbz quality is still top notch.
Side charging handle is left side and non reciprocating. Handle locks forward using a detent. This is not a milspec receiver so it may not work with...
Brand new M4E1 Enhanced Upper Receiver (Black) with forward assist, barrel nut, and barrel nut wrench (no dust cover. Comes in original box with plastic wrap. MSRP $220. Out of stock on Aero website right now.
Upper compatible with Aero Enhanced Gen 1, Aero Enhanced Gen 2, Aero Quantum, and...
Radian Weapons AR-15 Upper and Hand Guard Set
Radian Weapons Raptor-SD changing handle
Radian Weapons BCG
Noveske 10.5 300BLK barrel
Noveske gas black and gas tube
Shipping included, Payment via cash, PayPal or Zelle buyer pays any incurred fees.
Hoping someone might have one of these they’re not using.
RAINIER ARMS ULTRAMATCH BILLET UPPER - MOD 3 in 5.56
Name your price or tell me your trade needs?
M4 Feed Ramps
7075 Billet Aluminum
Mil Spec Hardcoat Anodize
13629 Marked. Brand new, never fired, only accessorized and slapped on a spare lower. I'm selling because I have 2 of these and I use the other one rarely so I figured I'd keep one and sell one. No Trades Please.
It can come as shown or stripped down to a barreled upper minus handguard (I...
Wilson Combat 8" stainless 300 blackout barrel. Less than 100 rounds fired. Will include pistol length gas tube. $150
Aero precision M4E1 OD green upper receiver, Less than 100 rounds. $125 or trade for same in black.
Midwest Industries 7.25" Combat T rail. Less than 100 rounds. Comes with...
Selling my upper receiver. No BCG or CH. Has been mounted to a lower and has had maybe one magazine fired through it to zero an optic. Went on to another build and this just sits in the safe. This is NOT the ELW or BHF barrel, just a standard 16" upper. Thinning out the safe to fund some other...
Looking for a BRN 180 upper, 10.5" 223 Wylde gen2, condition matters for price, but used is fine as long as it's not trashed or anything. Paint or not, doesn't matter much.
Willing to use anything from my other classifieds as a trade/partial trade.
Near perfect - MK18 CQBR MOD1 Upper Receiver Group (URG) - No expense spared
Only 200 rounds through the barrel - Several new components recently installed - I am the second owner of this piece
Parts list -
- Colt M4 Upper Receiver Keyhole Cerro Forged (Like New Old Stock - some salt from...
I've got a well-used Colt A1 upper receiver. Marked C H on the stampings. It has seen better days but would make a very cool conversation piece for an old period correct build. Upper receiver comes as-is and what you see is what you get. Everything appears to be in good working order. I...
I need a 9mm upper preferably pistol length
I need a 300 blackout upper pistol length as well
I need a DPMS LR308 upper 22 in or longer please
Send me pricing please and pictures I don't care if it is beat or beautiful
16" Side charging Foxtrot Mike 9mm upper in very good condition.
I would estimate less than 1000 rounds through it. Purchased March 2021
Great upper and very reliable. I really like the side charging.
Charging handle can be swapped from left to right.
I have a 7" version of this upper I will...
I'm looking to sell my Ruger Mark 4 upper receiver.
It is the bull barrel version in brushed stainless finish with a 1/2x28 threaded barrel and adjustable iron sights. This price does not include the vortex red dot, bolt, or the picatinny rail.
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Please note that there is some VERY small...
I am currently trying to trade my Daniel Defense M1A1 Upper receiver less than 200 rounds ran through it. Only down side is the upper is pined and welded to Surefire Warcomp. I was going to run a rc2 on it but changed my mind . I’m currently looking to trade for a DD MK18 Upper. I could possibly...
S&W upper receiver I got on the M&P15 Sport back in 2011. Has obvious signs of use but it's still in working order. I'd say less than 3000 rounds since 2011. I only replaced it because I wanted a forward assist and dust cover upper.
Was spray painted about 10 years ago with Rustoleum.
$30...
A new to me stamp and just curious if anyone has seen this marking and knows who the stamp belongs to.
An AR upper and located on the bottom of the rear take down lug.... "h."
~TIA