Upper Receivers and Parts

This Daniel Defense M4A1 FSP AR15 style Upper Receiver Group was built for customers wanting a firearm inspired by USSOCOM SOPMOD Block II. This upper features the M4A1 FSP RIS II picatinny quad rail in Flat Dark Earth, a 14.5" M4 profile barrel,...

Nove Upper, Complete, 4th Generation, N4, 5.56, 13.7 Light Infidel Chf, Nsr 15 (m-lok), Blk Cerakote, Super Badass Charging Handle, Kx3 1/2-28 (pinned), With Packaging 03002695

Noveske N4, Gen 4, Complete Upper, 556 Nato/223 Remington, 18" Spr Barrel, Nsr 15 Rail, Cerakote Finish, Flat Dark Earth 03002557-fdeProduct Type: UpperFit: AR-15Caliber: 223 Remington

Caliber: 22 ARC

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

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...

Barrel Length: 13.70"

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"

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...

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...

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...

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...

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...

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...

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...

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...

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...

Patriot Ordnance Factory 01269 P415 Complete Upper (Piston Driven) 5.56x45mm NATO 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard

P-415 edge upper 5.56 16.5" bk.Caliber: 223 Rem | 5.56 NATOBarrel: 16.5"Finish: Black AnodizedSights: No Sights

Patriot Ordnance Factory 01515 P415 Complete Upper (Piston Driven) 300 Blackout 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard

Radian Weapons R0024 Complete Upper 223 Wylde 14.50" Black Barrel, 7075-T6 Aluminum Radian Black Receiver, Extended with Magpul M-LOK Handguard for AR-15

Mr556a1 upper receiver 5.56mm.81000584.Caliber: 223 Rem | 5.56 NATOBarrel: 16.5"Finish: Matte Black

Dd4 riii urg 5.56mm 11.5" fde.23-191-02397-011.Caliber: 223 Rem | 5.56 NATOBarrel: 11.5" GovernmentFinish: Matte BlackSights: No Sights

Dd4 riii urg 5.56mm 11.5" blk.23-191-02397-006.Caliber: 223 Rem | 5.56 NATOBarrel: 11.5" GovernmentFinish: Matte BlackSights: No Sights

Ddm4 300s urg 300blk 10.3".23-088-19020-047.Caliber: 300 AAC BlackoutBarrel: 10.3" S2WFinish: Matte BlackSights: No Sights

Mk18 riii urg 5.56mm 10.3" fde.23-004-81721-011.Caliber: 223 Rem | 5.56 NATOBarrel: 10.3" GovernmentFinish: Matte BlackSights: No Sights

Mk18 riii urg 5.56mm 10.3" blk.23-004-81721-006.Caliber: 223 Rem | 5.56 NATOBarrel: 10.3" GovernmentFinish: Matte BlackSights: No Sights

Upper mk18 5.56mm ris ii fde.23-004-08013-011.Caliber: 223 Rem | 5.56 NATOBarrel: 10.3" GovernmentFinish: Flat Dark EarthSights: No Sights

Mcx-spear lt urg 7.62x39 16".Uamcx-762r-16b-lt-blk | black.Caliber: 7.62 x 39mmBarrel: 16"Finish: Black

Dd4 riii urg 5.56mm 16" fde.23-191-20088-011.Caliber: 223 Rem | 5.56 NATOBarrel: 16" GovernmentFinish: Matte BlackSights: No Sights

Dd4 riii urg 5.56mm 16" blk.23-191-20088-006.Caliber: 223 Rem | 5.56 NATOBarrel: 16" GovernmentFinish: Matte BlackSights: No Sights

Mk12 spr urg 5.56 18".23-142-10035.Caliber: 223 Rem | 5.56 NATOBarrel: 18"Finish: Matte BlackSights: No Sights

Ddm4 v7 pro urg 5.56 18".23-128-20044-047.Caliber: 223 Rem | 5.56 NATOBarrel: 18" S2WFinish: Matte BlackSights: No Sights

Upper mk18 5.56mm ris ii blk.23-004-08013-006 | 10.3" bbl.Caliber: 223 Rem | 5.56 NATOBarrel: 10.3"Finish: Black

M4a1 riii urg 5.56mm 14.5" fde.23-004-01097-011.Caliber: 223 Rem | 5.56 NATOBarrel: 14.5" M4Finish: Matte BlackSights: No Sights

M4a1 riii urg 5.56mm 14.5" blk.23-004-01097-006.Caliber: 223 Rem | 5.56 NATOBarrel: 14.5" M4Finish: Matte BlackSights: No Sights