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

Primary Weapons Mk114 Mod 1-M 223 Wylde Complete Upper Receiver - Mk114 Mod 1-M 223 Wylde 14.5" Bbl

MK114 MOD 1-M 223 Wylde Complete Upper Receiver SPECIFICATIONS: Operating System: PWS Long Stroke Piston System, 3 setting Adjustable Gas Regulator Caliber: .223 Wylde Barrel Length: 14.5" 41V50 Steel Gas System Length: Mid-Length Barrel Twist Rate:... ... more

Primary Weapons Mk116 Mod 2-M 223 Wylde Complete Upper Receiver - Mk116 Mod 2-M 223 Wylde 16.1" Bbl

MK116 MOD 2-M 223 Wylde Complete Upper SPECIFICATIONS: Operating System: PWS Long Stroke Piston System with 3-Setting Adjustable Gas System Caliber: .223 Wylde Barrel Length: 16.1" 41V50 Steel Gas System Length: Mid-Length Barrel Twist Rate: 1:8 Muzzle... ... more

Primary Weapons Mk114 Mod 2-M 223 Wylde Complete Upper Receiver - Mk114 Mod 2-M 223 Wylde 14.5" Bbl

MK114 MOD 2-M 223 Wylde Complete Upper SPECIFICATIONS: Operating System: PWS Long Stroke Piston System with 3-Setting Adjustable Gas System Caliber: .223 Wylde Barrel Length: 14.5" 41V50 Steel Gas System Length: Mid-Length Barrel Twist Rate: 1:8 Muzzle... ... 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 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

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

Primary Weapons Systems MK114 MOD2-M Upper Receiver .223 Wylde 14.5in bbl No Compensator Black 2M114UA01-2F-NC

Primary Weapons Systems MK114 MOD2-M Upper Receiver .223 Wylde 14.5in bbl No Compensator Black 2M114UA01-2F-NC. 5in Barrel .223 Wylde 3-Setting Adjustable Gas System Specifications for Primary Weapons Systems MK114 MOD 2-M 14.5in bbl .223 Wylde Upper... ... more

Aero Precision Complete Upper Receiver M4E1-T 14.5in 5.56 Mid Barrel 12in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700304M5

Aero Precision Complete Upper Receiver M4E1-T 14.5in 5.56 Mid Barrel 12in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700304M5. 5in 5.56 Mid-Length w/ ATLAS S-ONE Handguard Complete Upper Receiver with Flash Hider. Aero Precision designed these AR15... ... more

Evolve Weapons Systems Complete Upper Receiver 16in Mid Length Gas System Quad Rail Black EWS-UCQ-16M-BLK

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

Troy AR-15 A3 Upper Receiver Assembly 223 Wylde 14.5in Barrel w/ 12.5in SOCC-Series Handguard Black Mid-Length SUPG-A3S-14BT-00

Troy AR-15 A3 Upper Receiver Assembly 223 Wylde 14.5in Barrel w/ 12.5in SOCC-Series Handguard Black Mid-Length SUPG-A3S-14BT-00. Developed specifically for todays First Responders Law Enforcement and Shooting Enthusiasts. The SOCC M-Lok Battlerail... ... more

Evolve Weapons Systems Assembled Upper Receiver 16in Mid Length Gas System Quad Rail Black EWS-UAQ-16M-BLK

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

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

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

POF USA Rogue Upper Receiver Assembly .308 Winchester 34 in Length 12.5 in Barrel Mid Length Gas System M-Lok Renegade Single Port Micro-B Muzzle

POF USA Rogue Upper Receiver Assembly .308 Winchester 34 in Length 12.5 in Barrel Mid Length Gas System M-Lok Renegade Single Port Micro-B Muzzle. Specifications for POF USA Rogue 16.5 in Barrel .308 Winchester Upper Receiver Assembly: Manufacturer:... ... more

POF USA Rogue Upper Receiver Assembly .308 Winchester 34 in Length 16.5 in Barrel Mid Length Gas System M-Lok Renegade Single Port Micro-B Muzzle

POF USA Rogue Upper Receiver Assembly .308 Winchester 34 in Length 16.5 in Barrel Mid Length Gas System M-Lok Renegade Single Port Micro-B Muzzle. Specifications for POF USA Rogue 16.5 in Barrel .308 Winchester Upper Receiver Assembly: Manufacturer:... ... more

Primary Weapons Systems MK107 MOD 2-M Upper Receiver .223 Wylde 7.75in Pistol Length 1-10 Twist FSC 30 3-Setting Adjustable Gas System Black

Primary Weapons Systems MK107 MOD 2-M Upper Receiver .223 Wylde 7.75in Pistol Length 1-10 Twist FSC 30 3-Setting Adjustable Gas System Black. 75in .223 Wylde Upper Receiver was created to be the ideally suited product for anyone in need of a high... ... more

Primary Weapons Systems MK114 MOD2-M Upper Receiver .223 Wylde 14.5in bbl Pinned FSC556 Compensator Black 2M114UA01-1F

Primary Weapons Systems MK114 MOD2-M Upper Receiver .223 Wylde 14.5in bbl Pinned FSC556 Compensator Black 2M114UA01-1F. 5in Barrel .223 Wylde 3-Setting Adjustable Gas System Specifications for Primary Weapons Systems MK114 MOD 2-M 14.5in bbl .223 Wylde... ... 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

POF USA Rogue Upper Receiver Assembly Mid Length 11in Handguard 12.5in Barrel 5/8x24 M-LOK Micro B Muzzle Break Black 1824

POF USA Rogue Upper Receiver Assembly Mid Length 11in Handguard 12.5in Barrel 5/8x24 M-LOK Micro B Muzzle Break Black 1824. 308/6.5 semi auto rifle on the market and to do it without needless lightening cuts. Thanks to its ridiculously light weight... ... 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

Primary Weapons Systems MK116 MOD2-M Upper Receiver 16in bbl .223 Wylde 3-Setting Adjustable Gas System FSC556 Compemsator Black 2M116UA01-1F

Primary Weapons Systems MK116 MOD2-M Upper Receiver 16in bbl .223 Wylde 3-Setting Adjustable Gas System FSC556 Compemsator Black 2M116UA01-1F. 1in Barrel Specifications for Primary Weapons Systems MK116 MOD 2-M 16in bbl Upper Receiver: Manufacturer:... ... more

Aero Precision Complete Upper Receiver M4E1 Threaded PRO 5.56 12.5in Barrel Gov Profile Mid-Length Gas System 1-7 Twist 1/2 x 28 Thread ATLAS R-ONE

Aero Precision Complete Upper Receiver M4E1 Threaded PRO 5.56 12.5in Barrel Gov Profile Mid-Length Gas System 1-7 Twist 1/2 x 28 Thread ATLAS R-ONE. 56 Cold Hammer Forged Barrel that is paired with our PRO 5.56 BCG. Included ATLAS R-ONE Handguard... ... more

Aero Precision M5 Complete Upper Receiver 18in 6.5 Creedmoor SS Mid-Length Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Black APAR538105M44

Aero Precision M5 Complete Upper Receiver 18in 6.5 Creedmoor SS Mid-Length Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Black APAR538105M44. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more

Aero Precision M5 Complete Upper Receiver 18in 6.5 Creedmoor SS Mid-Length Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Black APAR538705M44

Aero Precision M5 Complete Upper Receiver 18in 6.5 Creedmoor SS Mid-Length Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Black APAR538705M44. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more

Midwest Industries Upper Receiver Group 16 inch Barrel .223 Wylde 15 inch Combat Series M-LOK Handguard Mid-Length A2 Flash Hider Black MI-N16CRM15-U

Midwest Industries Upper Receiver Group 16 inch Barrel .223 Wylde 15 inch Combat Series M-LOK Handguard Mid-Length A2 Flash Hider Black MI-N16CRM15-U. Specifications for Midwest Industries .223 Wylde Upper Receiver w/Combat M-LOK Handguard:... ... more

LWRCI Complete Di Upper Receiver SPR 5.56mm 16 inch Barrel 1-7 Twist Extended M-LOK Handguard Black 16in ICU5B16SPR

LWRCI Complete Di Upper Receiver SPR 5.56mm 16 inch Barrel 1-7 Twist Extended M-LOK Handguard Black 16in ICU5B16SPR. Built on our patented self-regulating short-stroke gas piston system machined from materials that belong to the superalloy family of... ... more

Primary Weapons Systems MK107 MOD 1-M Upper Rceiver 7.62x39 7.75in 1-10 Twist 3-Setting Adjustable Gas System Black M107UF01-1F

Primary Weapons Systems MK107 MOD 1-M Upper Rceiver 7.62x39 7.75in 1-10 Twist 3-Setting Adjustable Gas System Black M107UF01-1F. 75in 7.62x39 Upper Rceiver. These AR15 Upper Receivers from the expert product specialists at Primary Weapons Systems are... ... more

Aero Precision M5 Complete Upper Receiver 18in 6.5 Creedmoor SS Mid-Length Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Flat Dark Earth

Aero Precision M5 Complete Upper Receiver 18in 6.5 Creedmoor SS Mid-Length Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Flat Dark Earth. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more

Aero Precision M5 Complete Upper Receiver 18in 6.5 Creedmoor SS Mid-Length Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Flat Dark Earth

Aero Precision M5 Complete Upper Receiver 18in 6.5 Creedmoor SS Mid-Length Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Flat Dark Earth. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more

Dark Storm Industries DS-15 Typhoon Complete Upper Receiver 5.56 NATO 7.5in Barrel M4 Pistol Profile 1-7 Twist 1/2x28 Thread M-Lok Firestorm Type III

Dark Storm Industries DS-15 Typhoon Complete Upper Receiver 5.56 NATO 7.5in Barrel M4 Pistol Profile 1-7 Twist 1/2x28 Thread M-Lok Firestorm Type III. 750 Micro Gas Block andPistol Gas System DSI 7.5" SOCOM 5.56 Threaded 1:7 Nitrite Barrel andDSI... ... more

Primary Weapons Systems MK116 MOD 1-M Upper Receiver 7.62x39 16.1in Pistol Length 1-10 Twist PWS Triad 30 3-Setting Adjustable Gas System Black

Primary Weapons Systems MK116 MOD 1-M Upper Receiver 7.62x39 16.1in Pistol Length 1-10 Twist PWS Triad 30 3-Setting Adjustable Gas System Black. 1in 7.62x39 Upper Receiver then you've found yourself in the right location.. Formulated working with some... ... 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

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 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

Lead & Steel L&S Monobloc Barrel - Threaded 5.56MM 14.5in Mid Length Black LS-MB-CB-14

Lead & Steel L&S Monobloc Barrel - Threaded 5.56MM 14.5in Mid Length Black LS-MB-CB-14. Chambered in 5.56 NATO/223 Rem the 4150 Chromoly Vanadium barrel comes in various lengths. This barrel features a 1:8 twist ratio and a mid-length gas system with a... ... more

Primary Weapons Systems MK116 MOD1-M Upper Receiver 16 inch Barrel .223 Wylde 3-Setting Adjustable Gas System FSC556 Compensator Matte Black

Primary Weapons Systems MK116 MOD1-M Upper Receiver 16 inch Barrel .223 Wylde 3-Setting Adjustable Gas System FSC556 Compensator Matte Black. 223 Wylde Upper Receiver. As a rifle-length upper receiver it is effective at short- medium- and even slightly... ... more

Primary Weapons Systems MK218 MOD1-M Upper Receiver 18in bbl 6.5 Creedmoor 3-Setting Adjustable Gas System PRC30 Compensator Black M2180UD01-1F

Primary Weapons Systems MK218 MOD1-M Upper Receiver 18in bbl 6.5 Creedmoor 3-Setting Adjustable Gas System PRC30 Compensator Black M2180UD01-1F. 5 Creedmoor 3-Setting Adjustable Gas System PRC30 Compensator Black ... more

DEMO Midwest Industries Upper Receiver Group 16 inch Barrel .223 Wylde 14 inch Combat Series M-LOK Handguard Mid-Length A2 Flash Hider Black

DEMO Midwest Industries Upper Receiver Group 16 inch Barrel .223 Wylde 14 inch Combat Series M-LOK Handguard Mid-Length A2 Flash Hider Black. Specifications for Midwest Industries .223 Wylde Upper Receiver w/Combat M-LOK Handguard: Manufacturer:... ... more