Evolve Weapons Systems Complete Upper Receiver 14.5in Mid Length Gas System M-LOK Handguard Black EWS-UCM-14M-BLK

Aero Precision M4e1 Upper Receivers Complete .300 Blackout - Assembled Upper 8" Barrel 7" M-Lok At

This complete upper includes Aero Precision's new ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. Their proprietary ATLAS attachment system is a... ... more

Aero Precision M4e1 Upper Receivers Complete .300 Blackout - Assembled Upper 10" Barrel 9" M-Lok A

This complete upper includes Aero Precision's new ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. Their proprietary ATLAS attachment system is a... ... more

Aero Precision M4e1 Upper Receivers Complete .300 Blackout - Assembled Upper 16" Barrel 12" M-Lok

This complete upper includes Aero Precision's new ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. Their proprietary ATLAS attachment system is a... ... more

Outerwild AR15 Complete Premium Upper Receiver 5.56NATO 14.5in 1-7 Twist 13in M-LOK Handguard Black Anodize 4027-3410-026-O

Outerwild AR15 Complete Premium Upper Receiver 5.56NATO 14.5in 1-7 Twist 13in M-LOK Handguard Black Anodize 4027-3410-026-O. Outerwilds complete upper receivers are made from the highest quality made in specialized factories components. In-house at... ... more

Blackout Defense Dual Taper Lock Mid Complete Upper 14.5in Barel M-LOK Handguard Black 92210

Blackout Defense Dual Taper Lock Mid Complete Upper 14.5in Barel M-LOK Handguard Black 92210. . Formulated working with some of the very most heavy duty and dependable materials available these AR15 Upper Receivers from Blackout Defense will provide... ... more

Evolve Weapons Systems Complete Upper Receiver 14.5in Mid Length Gas System Quad Rail Black EWS-UCQ-14M-BLK

Evolve Weapons Systems Complete Upper Receiver 14.5in Mid Length Gas System Quad Rail Black EWS-UCQ-14M-BLK. 56 Complete Upper Receivers are crafted for superior performance. The 7075 forged upper receiver comes assembled with a forward assist and dust... ... more

Evolve Weapons Systems Assembled Upper Receiver 16in Mid Length Gas System M-LOK Handguard Black EWS-UAM-16M-BLK

Evolve Weapons Systems Assembled Upper Receiver 16in Mid Length Gas System M-LOK Handguard Black EWS-UAM-16M-BLK. 56 Barreled Upper Receivers are crafted for superior performance. The 7075 forged upper receiver comes assembled with a forward assist and... ... more

Evolve Weapons Systems Complete Upper Receiver 16in Mid Length Gas System M-LOK Handguard Black EWS-UCM-16M-BLK

Evolve Weapons Systems Complete Upper Receiver 16in Mid Length Gas System M-LOK Handguard Black EWS-UCM-16M-BLK. 56 Complete Upper Receivers are crafted for superior performance. The 7075 forged upper receiver comes assembled with a forward assist and... ... more

Evolve Weapons Systems Assembled Upper Receiver 11.5in Carbine Gas System M-LOK Handguard Black EWS-UAM-11C-BLK

Evolve Weapons Systems Assembled Upper Receiver 11.5in Carbine Gas System M-LOK Handguard Black EWS-UAM-11C-BLK. 56 Barreled Upper Receivers are crafted for superior performance. The 7075 forged upper receiver comes assembled with a forward assist and... ... more

Evolve Weapons Systems Complete Upper Receiver 12.5in Patrol Gas System M-LOK Handguard Black EWS-UCM-12P-BLK

Evolve Weapons Systems Complete Upper Receiver 12.5in Patrol Gas System M-LOK Handguard Black EWS-UCM-12P-BLK. 56 Complete Upper Receivers are crafted for superior performance. The 7075 forged upper receiver comes assembled with a forward assist and... ... more

Evolve Weapons Systems Assembled Upper Receiver 12.5in Patrol Gas System M-LOK Handguard Black EWS-UAM-12P-BLK

Evolve Weapons Systems Assembled Upper Receiver 12.5in Patrol Gas System M-LOK Handguard Black EWS-UAM-12P-BLK. 56 Barreled Upper Receivers are crafted for superior performance. The 7075 forged upper receiver comes assembled with a forward assist and... ... more

Tiger Rock Complete Upper Receiver AR 7.62X39 10.5in Carbine Length 1-9.5in Twist w/ 10in M-LOK Handguard Black Large UB762-P10.5-FSSM10

Tiger Rock Complete Upper Receiver AR 7.62X39 10.5in Carbine Length 1-9.5in Twist w/ 10in M-LOK Handguard Black Large UB762-P10.5-FSSM10. 62X39 Complete Upper Receiver. These AR15 Upper Receivers from the skilled product specialists at Tiger Rock are... ... more

Primary Weapons Systems MK114 MOD1-M Upper Receiver .223 Wylde 14.5in bbl No Compensator Black M114UA01-2F-NC

Primary Weapons Systems MK114 MOD1-M Upper Receiver .223 Wylde 14.5in bbl No Compensator Black M114UA01-2F-NC. 56mm NATO and .223 Remington with the Primary Weapons Systems MK114 MOD 1-M UPPER .223 WYLDE Upper Receiver These AR15 Upper Receivers will... ... more

Evolve Weapons Systems Assembled Upper Receiver 14.5in Mid Length Gas System Quad Rail Black EWS-UAQ-14M-BLK

Evolve Weapons Systems Assembled Upper Receiver 14.5in Mid Length Gas System Quad Rail Black EWS-UAQ-14M-BLK. 56 Barreled Upper Receivers are crafted for superior performance. The 7075 forged upper receiver comes assembled with a forward assist and... ... more

Evolve Weapons Systems Complete Upper Receiver 11.5in Carbine Gas System M-LOK Handguard Black EWS-UCM-11C-BLK

Evolve Weapons Systems Complete Upper Receiver 11.5in Carbine Gas System M-LOK Handguard Black EWS-UCM-11C-BLK. 56 Complete Upper Receivers are crafted for superior performance. The 7075 forged upper receiver comes assembled with a forward assist and... ... more

Rock River Arms Completed Upper Receiver R3 .223/5.56mm 18 Inch Barrel Mid-Length Plofile 1-8 Twist 1/2-28 Thread M-LOK Handguard Brake Black

Rock River Arms Completed Upper Receiver R3 .223/5.56mm 18 Inch Barrel Mid-Length Plofile 1-8 Twist 1/2-28 Thread M-LOK Handguard Brake Black. 223 Wylde Completed Upper. These AR15 Upper Receivers from the professional product specialists at Rock River... ... more

Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 16in Mid-Length Barrel 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized

Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 16in Mid-Length Barrel 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized. Specifications for Aero Precision M4E1 16in 5.56 ATLAS R-ONE M-LOK Complete Upper Receiver with Flash... ... more

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 14.5 in Barrel Custom Mid Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider Radian

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 14.5 in Barrel Custom Mid Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider Radian. Beyond quality and aesthetics the Model 1 features fully ambidextrous controls adding much-needed... ... more

Aero Precision M5 Complete Upper Receiver 16in .308 Mid SS Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Black APAR538705M23

Aero Precision M5 Complete Upper Receiver 16in .308 Mid SS Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Black APAR538705M23. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim profile while... ... more

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 16in Mid-Length Barrel 1-8 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 16in Mid-Length Barrel 1-8 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized. The R-ONE handguards are designed with size and weight in mind while still providing plenty of... ... more

POF USA Rogue Upper Receiver Assembly Mid Length 11in Handguard 16.5in Barrel 5/8x24 M-LOK Micro B Muzzle Break Black 1822

POF USA Rogue Upper Receiver Assembly Mid Length 11in Handguard 16.5in Barrel 5/8x24 M-LOK Micro B Muzzle Break Black 1822. 308/6.5 semi auto rifle on the market and to do it without needless lightening cuts. Thanks to its ridiculously light weight... ... more

Aero Precision M5 Complete Upper Receiver 16in .308 Mid SS Barrel w/ATLAS R-ONE 12in M-LOK Handguard Anodized Black APAR538704M23

Aero Precision M5 Complete Upper Receiver 16in .308 Mid SS Barrel w/ATLAS R-ONE 12in M-LOK Handguard Anodized Black APAR538704M23. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim profile while... ... more

Aero Precision M5 Complete Upper Receiver 16in .308 Mid Barrel w/ATLAS R-ONE 12in M-LOK Handguard Anodized Black APAR538704M22

Aero Precision M5 Complete Upper Receiver 16in .308 Mid Barrel w/ATLAS R-ONE 12in M-LOK Handguard Anodized Black APAR538704M22. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim profile while still... ... more

Aero Precision M5 Complete Upper Receiver 16in .308 Mid Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Black APAR538705M22

Aero Precision M5 Complete Upper Receiver 16in .308 Mid Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Black APAR538705M22. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim profile while still... ... more

Aero Precision M4E1 Complete Upper Receiver with Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in M-LOK Handguard No BCG/CH Anodized Black

Aero Precision M4E1 Complete Upper Receiver with Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in M-LOK Handguard No BCG/CH Anodized Black. 56 Mid Barrel Complete Upper Receiver with Flash Hider is an amazing option. Designed to give you... ... more

Aero Precision M5 Complete Upper Receiver 16in .308 CMV Mid Barrel w/ATLAS S-ONE 12in M-LOK Handguard Anodized Black APAR538104M22

Aero Precision M5 Complete Upper Receiver 16in .308 CMV Mid Barrel w/ATLAS S-ONE 12in M-LOK Handguard Anodized Black APAR538104M22. 308 CMV Complete Upper Receiver w/ ATLAS S-ONE Handguard. This upper by Aero Precision features an ATLAS S-ONE handguard... ... more

Daniel Defense DDM4 V7 Upper Receiver 5.56mm NATO 16 inch Barrel Government Mid-length 1-7 Twist M-LOK Handguard Daniel Defense Flash Suppressor

Daniel Defense DDM4 V7 Upper Receiver 5.56mm NATO 16 inch Barrel Government Mid-length 1-7 Twist M-LOK Handguard Daniel Defense Flash Suppressor. It features a mid-length gas system for smooth reliable cycling and reduced wear on moving parts. A... ... more

Rosco Manufacturing Bloodline 5.56 NATO Barrel M4 14.5in Mid Length 1-7 Twist 1/2x28 Thread Nitride Black BL-145-GVT-556-7-M

Rosco Manufacturing Bloodline 5.56 NATO Barrel M4 14.5in Mid Length 1-7 Twist 1/2x28 Thread Nitride Black BL-145-GVT-556-7-M. The longer gas system allows for a smoother gas curve which leads to managed dwell times. This combo creates a great balance... ... more

Ghost Firearms Elite Complete Barreled Upper Receiver 9mm Luger 5.5in Blowback Type Gas System 4150 Chrome Moly Steel Barrel 1-10 Twist 7in M-LOK Free

Ghost Firearms Elite Complete Barreled Upper Receiver 9mm Luger 5.5in Blowback Type Gas System 4150 Chrome Moly Steel Barrel 1-10 Twist 7in M-LOK Free. Ghost Firearms designed these AR15 Upper Receivers with a one-piece aircraft-grade aluminum... ... more

Evolve Weapons Systems Assembled Upper Receiver 12.5in Patrol Gas System Quad Rail Black EWS-UAQ-12P-BLK

Evolve Weapons Systems Assembled Upper Receiver 12.5in Patrol Gas System Quad Rail Black EWS-UAQ-12P-BLK. 56 Barreled Upper Receivers are crafted for superior performance. The 7075 forged upper receiver comes assembled with a forward assist and dust... ... more

TacFire Complete Upper Receiver AR-15 Lower Parts Kit 5.56mm 7.5in Barrel Pistol Length 7in M-LOK Handguard Anodized Black PK556-LPK

TacFire Complete Upper Receiver AR-15 Lower Parts Kit 5.56mm 7.5in Barrel Pistol Length 7in M-LOK Handguard Anodized Black PK556-LPK. Everything you need to build out your 5.56 pistol just add a lower receiver. Includes : 7.5" Barrel Low profile gas... ... more

Aero Precision M5 Complete Upper Receiver 18in .308 SS Rifle Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Black APAR538105M26

Aero Precision M5 Complete Upper Receiver 18in .308 SS Rifle Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Black APAR538105M26. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim profile while... ... more

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 16 in Barrel Custom Mid Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider FDE R0473

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 16 in Barrel Custom Mid Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider FDE R0473. Beyond quality and aesthetics the Model 1 features fully ambidextrous controls adding much-needed... ... more

Aero Precision AR15 No FA Complete Upper 16in .223 Wylde Fluted Barrel Mid-Length 15in M-LOK ATLAS S-ONE HG Anodized Black APAR610505M50

Aero Precision AR15 No FA Complete Upper 16in .223 Wylde Fluted Barrel Mid-Length 15in M-LOK ATLAS S-ONE HG Anodized Black APAR610505M50. 223 Wylde Fluted Barrel Complete Upper Receiver. These AR15 Upper Receivers developed by Aero Precision are only... ... more

Aero Precision AR15 No FA Complete Upper 16in .223 Wylde Fluted Barrel Mid-Length 15in M-LOK ATLAS R-ONE HG Anodized Black APAR610605M50

Aero Precision AR15 No FA Complete Upper 16in .223 Wylde Fluted Barrel Mid-Length 15in M-LOK ATLAS R-ONE HG Anodized Black APAR610605M50. 223 Wylde Fluted Barrel Complete Upper Receiver. These AR15 Upper Receivers developed by Aero Precision are only... ... more

Aero Precision M4E1 15in Enhanced M-LOK Complete Upper 16in 5.56 HBAR CMV Mid-Length Barrel Anodized Black APAR600218M97

Aero Precision M4E1 15in Enhanced M-LOK Complete Upper 16in 5.56 HBAR CMV Mid-Length Barrel Anodized Black APAR600218M97. This is a streamlined design that only needs eight screws to mount a free-floating handguard making these AR15 Upper Receivers a... ... more

Aero Precision Complete Upper Receiver M4E1-T 5.56 16in Mid-Length Barrel 12in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700304M7

Aero Precision Complete Upper Receiver M4E1-T 5.56 16in Mid-Length Barrel 12in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700304M7. 56 Mid Pencil Barrel w/ ATLAS S-ONE Handguard Complete Upper Receiver. These AR15 Upper Receivers built by Aero... ... more