Upper Receivers and Parts

Standard upper parts kit includes: ejection port door, ejection port door rod w/ c-clamp installed, ejection port door spring, forward assist, forward assist spring, forward assist roll pinModel: Upper Parts Kits

Caliber: 223 WyldeBarrel Length: 14.50"Barrel Material: 416R SteelTwist: 1:8"Barrel Finish: Anodized

Its no secret that pistol stabilizing braces have been a target for scrutiny over the years, and those that enjoy building their own ar pistols have wondered what will come out of all the uncertainty.Dissent is cmmg's answer.Utilizing cmmg's patent...

Gaining more acceptance as the go to personal defense caliber for many shooters in recent years has proven itself to be well suited for the job.With incredibly flat shooting performance and low recoil, caliber excels at closer ranges while still...

Top off your next build with this resolute mk4 upper group.Chambered, this upper group is a staple for any collection and comes ready to pair with the ar15 lower group of your choice.Receiver Finish: Midnight BronzeCaliber: 300 BlackoutBarrel Length: 16...

Top off your next build with this resolute mk4 upper group.Chambered, this upper group is a staple for any collection and comes ready to pair with the ar15 lower group of your choice.Receiver Finish: Black Armor CerakoteCaliber: 300 BlackoutBarrel...

Dont build a.22 lr that looks like an ar, build an ar that happens to be chambered in.22 lr.This banshee upper group is built on the mk4 platform, and is designed to work with any standard ar15 lower group and use.22 ar conversion mags.Receiver Finish:...

Its no secret that pistol stabilizing braces have been a target for scrutiny over the years, and those that enjoy building their own ar pistols have wondered what will come out of all the uncertainty.Dissent is cmmg's answer.Utilizing cmmg's patent...

Personal defense calibers have become a big thing in the last few years, and if youre looking for pdw ballistics and the classic style and balance of a carbine then youre in luck.Receiver Finish: Armor BlackCaliber: 5.7x28mmBarrel Length: 16...

This upper is compatible with mk4/standard ar15 lower receivers (when used with cmmg 9ar conversion mags), as well as mkgs and mk17 lower groups.Its no secret that pistol stabilizing braces have been a target for scrutiny over the years, and those that...

Top off your next build with this resolute mk4 upper group.Chambered, this upper group is a staple for any collection and comes ready to pair with the ar15 lower group of your choice.Receiver Finish: Armor BlackCaliber: 350 LegendBarrel Length: 16...

If youre looking to build the most compact 9mm ar then look no further.Cmmgs 9mm rdb uppers feature uncompromised design and engineering with styling that is never mistaken for something else.Having more options is always better, like what magazines you...

Its no secret that pistol stabilizing braces have been a target for scrutiny over the years, and those that enjoy building their own ar pistols have wondered what will come out of all the uncertainty.Dissent is cmmg's answer.Utilizing cmmg's patent...

Dont build a.22 lr that looks like an ar, build an ar that happens to be chambered in.22 lr.This banshee upper group is built on the mk4 platform, and is designed to work with any standard ar15 lower group and use.22 ar conversion mags.Receiver Finish:...

Top off your next build with this resolute mk4 upper group.Chambered, this upper group is a staple for any collection and comes ready to pair with the ar15 lower group of your choice.Receiver Finish: Midnight BronzeCaliber: 5.56x45mm NATOBarrel Length:...

If youre looking to build the most compact 9mm ar then look no further.Cmmgs 9mm rdb uppers feature uncompromised design and engineering with styling that is never mistaken for something else.Having more options is always better, like what magazines you...

Dont build a.22 lr that looks like an ar, build an ar that happens to be chambered in.22 lr.This banshee upper group is built on the mk4 platform, and is designed to work with any standard ar15 lower group and use.22 ar conversion mags.Receiver Finish:...

Top off your next build with this resolute mk4 upper group.Chambered, this upper group is a staple for any collection and comes ready to pair with the ar15 lower group of your choice.Receiver Finish: Armor BlackCaliber: 5.56x45mm NATOBarrel Length: 16...

Its no secret that pistol stabilizing braces have been a target for scrutiny over the years, and those that enjoy building their own ar pistols have wondered what will come out of all the uncertainty.Dissent is cmmg's answer.Utilizing cmmg's patent...

Personal defense calibers have become a big thing in the last few years, and if youre looking for pdw ballistics and the classic style and balance of a carbine then youre in luck.Receiver Finish: Armor BlackCaliber: 9mm LugerBarrel Length: 16...

Top off your next build with this resolute mk4 upper group.Chambered, this upper group is a staple for any collection and comes ready to pair with the ar15 lower group of your choice.Receiver Finish: Armor BlackCaliber: 300 BlackoutBarrel Length: 16...

Caliber:.350 legendupper receiver:forged a4barrel:16 inch stainless steel, 1:16 twist, cryogenically treatedmuzzle device:rra operator brake, 1/2-36 threadgas block:low profile gas block, car length gas systemhandguard:rra 13 inch extended lightweight...

Caliber:.450 bushmasterupper receiver:forged a4barrel:16 inch stainless steel, 1:24 twist, cryogenically treatedmuzzle device:rra operator brake, 5/8-32 threadgas block:low profile gas block, mid-length gas systemhandguard:rra 13 inch extended...

Caliber:.223 wylde chamber for 5.56mm and.223 caliberupper receiver:forged a4barrel:18-inch heavy match stainless steel, cryogenically treated, 1:8 twistmuzzle device:rra operator muzzle break / 1/228 threadgas block:low profile gas blockhandguard:rra 13...

Caliber:.223 wylde chamber for 5.56mm and.223 caliberupper receiver:forged a4barrel:20-inch air gauged heavy match stainless steel, 1:8 twist, cryogenically treatedmuzzle device:a2 flash hider / 1/228 threadgas block:gas block sight basehandguard:rra nm...

Caliber:.458 socom chamber, upper receiver:forged a4, barrel:16-inch chrome moly bull barrel, 1:14 twist, muzzle device:rra beast brake, 5/8x32 thread, gas block:low profile gas block, handguard:rra lightweight aluminum free float rail, 13 inch extended...

Lbe unlimited is a leading producer of us made gun parts and accessories, particularly for the ar-15 platform.Whether you're in the middle of an ar build or you're just looking to upgrade a key component, lbe has you covered with reliable parts and...

Angstadt arms complete upper receiver assembly is ready with a sound suppressor.This pistol upper features a 9mm 3-lug muzzle brake, blastwave blast shield and radian weapons ambidextrous charging handle.Compatible with any 9mm glock and colt style ar-15...

Angstadt arms complete upper receiver pistol assembly is ready with any 9mm ar-15 lower receiver.Featuring the same high quality parts that go into the udp-9 pistol, this completed upper receiver is compatible with both glock and colt style 9mm magazines...

Ati alpha maxx 410 upper shotgun kit gen3 3" 410ga 18.5" bbl smooth bore 13" poly mlok f/u sight 5rdReceiver Finish: BlackBarrel Length: 18.50"

Caliber: 22 ARC

Caliber: 22 ARC

The alexander arms ar15 standard rifle upper was developed to function as the ideal item for anybody trying to find an exceptional option.With a black cerakote finish, and a m-lok handguard, you could get this upper to complete your build.Includes thread...

Introducing the alexander arms 6.5 grendel upper kit.The kit includes: mil-spec flat top upper receiver (port door and forward assist installed), our very own high quality 16" stainless, extreme lightweight barrel with a 1:8 twist, threaded 5/8-24 tpi...

17 hmr ar-15 upper features: 18" barrel, 1:9 twist rate, 1/2-28rh threading, a2 flash hider included, blowback operating system, black color (optional cerakote upgrades below), two 10-round magazines, parts kit for lower conversion included, weight of...

The tactical solutions x-ring takedown vr receiver is a lightweight.22 lr receiver for the ruger 10/22 takedown and for tactical solutions x-ring semi-automatic.22 rifles.Milled from 6061-t6 aluminum, the x-ring takedown vr receiver is manufactured with...

Aim sports ar complete upper 5.56x45mm nato black nitride 15" m-lok - the ar complete upper receiver with bcg features a mil-spec anodized upper with 16" socom profile 4150 chorme moly vanadium barrel, and 15" m-lok free-float handguard.The barrel also...

Tacfire up01-c2: ready to be built into your next upper, this kit includes a black anodized 7075 t6 aluminum stripped upper receiver, forward assist assembly, dust cover assembly, and a2 style charging handle.The only thing you need to finish your upper...

The alexander arms ar15 standard rifle upper was developed to function as the ideal item for anybody trying to find an exceptional option.With a black cerakote finish, and a m-lok handguard, you could get this upper to complete your build.Receiver...

Caliber: 22 ARC

The aim sports inc complete lower parts kit was designed to be the ideal lower receiver for anybody attempting to enhance the quality of their shooting experiences.These ar15 lower parts from the specialists at aim sports inc are made using the kinds of...

7 piece standard upper parts kit includes: dust cover, dust cover spring, dust cover pin, dust cover, c-clip, forward assist, forward assist spring, forward assist roll pinModel: Upper Parts Kits

Improve your rifle build with this spikes tactical 5.56 le midlength 16in forged upper receiver that's inspected and ready to function right out of the box.Spikes tactical crafted these ar15 upper receivers from 7075 t6 aluminum to add an element of...

Mil-spec forged 7075-t6 completely assembled upper rec.Type iii hard coat anodized for maximum durability.M4 barrel extensions.10.50" 4150 cmv steel and bolt is 9310 tool steel.Both are nitride finish with excellent lubricity and corrosion resistance...

Mil-spec forged 7075-t6 completely assembled upper rec.Type iii hard coat anodized for maximum durability.M4 barrel extensions.10.50" 4150 cmv steel and bolt is 9310 tool steel.Both are nitride finish with excellent lubricity and corrosion resistance...

Chambered in 300 blackout, this rifle upper is completely built and ready to be put on a lower.Includes bolt carrier group.Receiver Finish: Black AnodizedType: CompleteCaliber: 300 BlackoutSights: None, Optic ReadyBarrel Length: 10"Barrel Finish: Black...

If you're looking to build something on an ar15 platform and want the absolute best semiautomatic tactical rifle upper, consider building around this pof-usa minuteman upper.The patriot ordnance factory minuteman provides the end user with some of the...

Patriot Ordnance Factory Renegade + Complete Upper 5.56x45mm NATO 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard Adjustable Block

Chambered in 308 win, this rifle upper is completely built and ready to be put on a lower.Includes a bolt carrier group.Receiver Finish: Black AnodizedType: CompleteCaliber: 308 WinSights: None, Optic ReadyBarrel Length: 20"Barrel Finish: Black...

Chambered in 300 blackout, this rifle upper is completely built and ready to be put on a lower.Includes a bolt carrier group.Receiver Finish: Black AnodizedType: CompleteCaliber: 300 BlackoutSights: None, Optic ReadyBarrel Length: 16"Barrel Finish: Black...

If you're looking to build something on an ar15 platform and want the absolute best semiautomatic tactical rifle upper, consider building around this pof-usa minuteman upper.The patriot ordnance factory minuteman provides the end user with some of the...

Get this forged upper rec for you ar-platform today in a black anodized finish.Receiver Finish: Black AnodizedType: Stripped

Chambered in 308 win, this rifle upper is completely built and ready to be put on a lower.Includes bolt carrier group.Receiver Finish: Black AnodizedType: CompleteCaliber: 308 WinSights: None, Optic ReadyBarrel Length: 16"Barrel Finish: Black...

Chambered in 9mm, this rifle upper is completely built and ready to be put on a lower.Includes bolt carrier group.Receiver Finish: Black AnodizedType: CompleteCaliber: 9mm LugerSights: None, Optic ReadyBarrel Length: 16"Barrel Finish: Black...

Chambered in 9mm, this pistol upper is completely built and ready to be put on a lower.Includes a bolt carrier group.Receiver Finish: Black AnodizedType: CompleteCaliber: 9mm LugerSights: None, Optic ReadyBarrel Length: 7"Barrel Finish: Black...

Chambered in 5.56, this pistol upper is completely built and ready to be put on a lower.Includes a bolt carry group.Receiver Finish: Black AnodizedType: CompleteCaliber: 5.56x45mm NATOSights: None, Optic ReadyBarrel Length: 5"Barrel Finish: Black...

Chambered in 45 acp, this rifle upper is completely built and ready to be put on a lower.Includes a bolt carrier group.Receiver Finish: Black AnodizedType: CompleteCaliber: 45 ACPSights: None, Optic ReadyBarrel Length: 16"Barrel Finish: Black...

The monobloc upper features a hm barrel with an integral machined patented gas block, and a carbine gas system.It is also 4150 chromoly, match grade, tripled honed, and button rifled.Its handguard is free-floating and uses a picatinny rial, magpul m-lok,...

Receiver upper ar15 anodized.Mil-spec.Finish: Hardcoat Anodized

Gvac upper group 5.56mm 16.1".13833.Caliber: 223 Rem | 5.56 NATOBarrel: 16.1"Finish: Armornite

Complete upper lw 16" mlok.Caliber: 223 Rem | 5.56 NATOBarrel: 16"Receiver: A3 Flat TopSights: None

Dissipator flat top upper 16".Caliber: 223 Rem | 5.56 NATOBarrel: 16"Receiver: A3 Flat TopSights: A2 Front Sight

Complete upper 16" flattop hvy.Caliber: 223 Rem | 5.56 NATOBarrel: 16"Receiver: A3 Flat TopSights: A2 Front Sight

Complete upper 20" flattop hvy.Caliber: 223 Rem | 5.56 NATOBarrel: 20"Receiver: A3 Flat TopSights: A2 Front Sight

Complete upper 16" m4 flat top.Caliber: 223 Rem | 5.56 NATOBarrel: 16"Receiver: A3 Flat TopSights: A2 Front Sight

Ddm4 v7 lw urg 5.56 16".23-128-02932-047.Caliber: 223 Rem | 5.56 NATOBarrel: 16" LightweightFinish: Matte BlackSights: No Sights

Ddm4 v7 urg 5.56 16".Flash hider | m-lok handguard.Caliber: 223 Rem | 5.56 NATOBarrel: 16"Finish: Matte BlackSights: No Sights

Ddm4 v7 s urg 5.56mm 11.5".23-128-00275-047.Caliber: 223 Rem | 5.56 NATOBarrel: 11.5" S2WFinish: Matte BlackSights: No Sights

Wsm15 billet upper black.Finish: Armor Black CerakoteReceiver: Billet Aluminum

Ic di upper 5.56mm 10.5" blk.Caliber: 223 Rem | 5.56 NATOFinish: Black

Bravo zulu 350leg 16" upper.Caliber: 350 LegendBarrel: 16"Finish: BlackSights: Optics Ready

Bravo zulu 5.56 16" upper.Caliber: 223 Rem | 5.56 NATOBarrel: 16"Finish: BlackSights: Optics Ready

Bravo zulu 450bm 16" upper.Caliber: 450 BushmasterBarrel: 16"Finish: BlackSights: Optics Ready

Bravo zulu 450bm 20" upper.Caliber: 450 BushmasterBarrel: 20"Finish: BlackSights: Optics Ready

M4 patrolman 16" upper rec..Flat top.Caliber: 223 Rem | 5.56 NATOBarrel: 16"Finish: BlackReceiver: Flat TopSights: A2 Front/Flip Up Rear

M4 patrolman 16" upper rec..Caliber: 223 Rem | 5.56 NATOBarrel: 16"Finish: Salt Bath NitrideReceiver: Flat TopSights: A2 Front/Carry Handle Rear

Receiver upper parts kit ar-15.