Upper Receivers and Parts

The ar-15 stripped upper receiver is one of aero's most popular products.Forged from 7075-t6, this stripped upper is precision machined to mil-spec m16/m4 specifications and features m4 feedramps.Match this upper with one of the aero ar-15 lower...

The m5.308 assembled upper receiver comes with both the port door and forward assist hardware preinstalled.Forged from 7075-t6 aluminum, this assembled upper is precision machined to accept standard.308 components and is the ideal upper for your big bore...

The shortest of the non-nfa models with a removable muzzle device, the mk116 upper is a crowd favorite.The mk116 is designed for a multitude of uses and retains lethal capability out to 500 meters with varying types of ammunition.Receiver Finish: Black...

The s&w m&p complete upper parts kit has the ll parts you need to finish a stripped upper.The kit includes a forward assist-assembled, spring and roll pin; ejection port cover, spring and pin and a hinge pin clip.Finish: AnodizedType: Upper...

The ar-15 assembled upper receiver comes with the port door and forward assist already installed.Forged from 7075-t6 aluminum, this assembled upper is precision machined to mil-spec m16/m4 specifications and features m4 feedramps.This upper features m4...

The m5.308 stripped upper receiver is the ideal upper for your big bore rifle build.Forged from 7075- t6 aluminum, this stripped upper is precision machined to accept standard.308 components.It featurs m4 feedramps,.2795 takedown pin holes (dpms size),...

Tacfire's ar-15 stripped upper receiver is constructed of 7075-t6 aluminum with a black hardcoat anodized finish with m4 feed ramps to ensure proper cycling.It comes with both the dust cover and forward assist.Note: requires charging handle, barrel,...

The ar15 stripped upper receiver is one of our most popular products.This stripped upper is precision machined to mil-spec m16/m4 specifications and features m4 feedramps.Match this upper with one of aero's ar15 lower receivers for a solid and dependable...

The spike's tactical st-15 le upper line-up is designed as a fully mil-spec compliant upper series for law enforcement.This same level of quality and performance is now available to everyone, all at a price range that is affordable to shooters of any...

This complete upper includes aero precision's gen 2 enhanced handguard.Key features include the addition of quick disconnect sling sockets, enhanced milling design for grip and visual appeal and a profile for the picatinny top rail.Bcg not...

Ati 410 upper kit 18" 410 ga, upper 410 buffer & spring, 5rd magazine.Receiver Finish: BlackType: CompleteCaliber: 410 GaSights: Optic ReadyBarrel Length: 18.50"Barrel Finish: StainlessBarrel Length Range: 18" to 18.99"

Aero's m5e1 upper receiver is a one-piece design combining the handguard mounting platform with the upper itself.Aero has condensed the parts needed to mount a free-floated handguard to 8 screws.It features m4 feedramps,.2795 takedown pin holes and laser...

Bravo's bcm m4 upper receiver assembly is precision machined to correct mil-specs from 7075 t6 forgings extension, providing the user with superior strength when dropped or when mortaring malfunction clearance drills.It has mil-std 1913 rail for mounting...

The pw mk1 mod 2-m line features the pws long stroke piston system.While the internals remain the same as other pws lines, the mk1 mod 2-m offers a variety of features exclusive to this line.Starting with patent pending piclok technology on the free...

The ar15 assembled upper receiver comes with the port door and forward assist already installed.Forged from 7075-t6 aluminum, this assembled upper is precision machined to mil- spec m16/m4 specifications and features m4 feedramps.It includes.250 takedown...

The m5.308 assembled upper receiver comes with both the port door and forward assist hardware preinstalled.Forged from 7075-t6 aluminum, this assembled upper is precision machined to accept standard.308 components and is the ideal upper for your big bore...

The m5.308 stripped upper receiver is the ideal upper for your big bore rifle build.Forged from 7075- t6 aluminum, this stripped upper is precision machined to accept standard.308 components.It features m4 feedramps,.2795 takedown pin holes (dpms size),...

The stripped upper receiver is one of aero's most popular products.Forged from 7075-t6 aluminum, this stripped upper is precision machined to mil-spec m16/m4 specifications and features m4 feed ramps.Match this upper with one of our ar-15 lower receivers...

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...

Our ar15 billet upper is made in america.American sourced 7075 billet aluminum.Ideal for use with our ar10/ar15 cornerstone, foundation, or elevation handguards.Hardcoat black anodized in accordance with mil-a-8625 type iii class ii.Set screw style...

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...

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...

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 300 Blackout 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: Optic ReadyBarrel Length: 18"Barrel Finish: Black...

Chambered in 9mm, this pistol 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: 10"Barrel Finish: Black...

Chambered in 5.56, this pistol upper is completely built and ready to be put on a lower.Includes a bolt carrier group.Receiver Finish: Black AnodizedType: CompleteCaliber: 5.56x45mm NATOSights: None, Optic ReadyBarrel Length: 10"Barrel Finish: Black...

Chambered in 45 acp, this pistol 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: 7"Barrel Finish: Black...

Chambered in 5.56, this rifle upper is completely built and ready to be put on a lower.Includes a bolt carrier group.Receiver Finish: Black AnodizedType: CompleteCaliber: 5.56x45mm NATOSights: 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: Optic ReadyBarrel Length: 4"Barrel Finish: Black...

Chambered in 5.56, this pistol upper is completely built and ready to be put on a lower.Includes a bolt carrier group.Receiver Finish: Black AnodizedType: CompleteCaliber: 5.56x45mm NATOSights: None, Optic ReadyBarrel Length: 7"Barrel Finish: Black...

The sbur04 matches all of our lower receivers perfectly and has a mil-spec front end that is compatible with any ar15 barrel nut & any ar15 handguard out there, including those with rear facing tabs.This receiver is meant for.223, 5.56,.224 valkyrie,...

Machined to tighter than mil-spec tolerances, ggp's forged lower functions with nearly all available ar-15 parts kits and lowers.It is fachined from forged 7075-t6 aluminum with m4 feedramps,.250" takedown pin holes, and engraved t-marks.Note: requires...

The radian model 1 upper receiver and hand guard are precision cnc machined as a matching set, structurally reinforced in critical areas for improved strength and rigidity.The upper receiver is cut from billet 7075-t6 aluminum and assembled with dust...

Radian Weapons R0023 Complete Upper 223 Wylde 10.50" Black Barrel, 7075-T6 Aluminum Radian Black Receiver, Extended with Magpul M-LOK Handguard for AR-15

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 rail, magpul m-lok,...

The 50 beowulf diy upper kit includes: 16" barrel with 1:20 twist, 49x64-20 tpi thread and thread protector; complete upper receiver; charging handle; gas block; dowel pins; gas tube; complete bcg with bolt; one 7-round mag.Note: requires handguard to...

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,...

Anderson's aor 16" 6.5 grendel complete upper: comes with a 16", 6.5 grendel barrel, 1-8 twist, carbine gas system, 5/8"-24 threads, 7075 t6 forged upper receiver, a2 plastic carbine handguard, 308 a2 flash hider, standard charging handle and 6.5 bcg.The...

The ar upper receiver comes with a forward assist and ejection port cover assembly installed.It is forged from 7075-t6 aluminum with a dry film lube interior.Note: requires charging handle, barrel, handguard, gas block, muzzle device, gas tube and bcg...

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 rail, magpul m-lok,...

Knight's sr-15 e3 mod 2 series 5.56mm nato barrel is manufactured for military grade durability, and is free-floated inside a urx4 m-lok handguard.An improved e3 round-lug bolt design both enhances function and increases bolt life far beyond the industry...

Knight's sr-15 e3 mod 2 series 5.56mm nato barrel is manufactured for military grade durability, and is free-floated inside a urx4 m-lok handguard.An improved e3 round-lug bolt design both enhances function and increases bolt life far beyond the industry...

Knight's upper receiver kit, sr-15 cqb mod 2, features a 5.56mm nato 11.5" chrome lined barrel manufactured for military grade durability and is free-floated inside a urx4 m-lok handguard.An improved e3 round-lug bolt design both enhances function and...

The adams arms p3 is the performance, match-grade model in the p-series lineup.The p3 features a proof research carbon fiber wrapped barrel, jet comp, ambidextrous charging handle, low mass carrier, an ergonomic free float rail, and our signature...

ATI ATIHUP200 Omni Hybrid Multi-Caliber Polymer Black Receiver for AR-15

Barrel Length: 13.70"

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

Barrel 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...

Barrel Length: 13.70"

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...

Barrel Length: 13.70"

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:...

The p-415 was designed to be unstoppable in all environments.It is a product of constant development and design improvement.It's reliability has been tested time after time, and the operating system has been perfected.With the development of our e2...

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...

Project rogue was an exercise to turn the revolution platform into the lightest.308 semi auto rifle on the market, and to do it without needless lightening cuts.The rogue features a forged receiver set, stainless steel barrel, keylock di bcg and...

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...

The design philosophy behind the radian model 1 uses the highest quality raw materials, most precise cnc machining equipment, and best components available to create a weapon that seamlessly blends form and function.The model 1 features fully...

Items included: 1x billet upper receiver w/dust cover, anti-rotation pin & light weight forward assist installed.1x hand guard w/magpul m-lok modular attachment interface.1x radian ax556 lower receiver.1x raptor-sd ambidextrous charging handle.1x...

The mdp-9 is designed to be light, small, yet fully functional, offering a revolutionary roller delay action that reduces recoil.Gain the peace of mind and confidence needed for protection in any situation, with the perfect balance of size and strength...

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

Items included: 1x billet upper receiver w/dust cover, anti-rotation pin & light weight forward assist installed.1x hand guard w/magpul m-lok modular attachment interface.1x radian ax556 lower receiver.1x raptor-sd ambidextrous charging handle.1x...

Items included: 1x billet upper receiver w/dust cover, anti-rotation pin & light weight forward assist installed.1x hand guard w/magpul m-lok modular attachment interface.1x radian ax556 lower receiver.1x raptor-sd ambidextrous charging handle.1x...