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

Aero Precision M4e1-T Atlas R-One Complete Upper Receivers 5.56mm - Ar-15 M4e1-T 14.5" Mid-Length As

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

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 14.5in Mid Length Gas System M-LOK Handguard Black EWS-UAM-14M-BLK

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

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

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

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

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 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

POF USA Minuteman Upper Receiver 5.56 16.5in Barrel Mid Length 1-8 Twist 1/2x28 14.5in Renegade Rail 3-prong Flash Hider Patriot Brown 1815

POF USA Minuteman Upper Receiver 5.56 16.5in Barrel Mid Length 1-8 Twist 1/2x28 14.5in Renegade Rail 3-prong Flash Hider Patriot Brown 1815. They took it upon themselves to be trained in various weapons and tactics. We deeply admire their patriotism... ... more

POF USA Minuteman Upper Receiver 5.56 16.5in Barrel Mid Length 1-8 Twist 1/2x28 14.5in Renegade Rail 3-prong Flash Hider Tungsten 1814

POF USA Minuteman Upper Receiver 5.56 16.5in Barrel Mid Length 1-8 Twist 1/2x28 14.5in Renegade Rail 3-prong Flash Hider Tungsten 1814. They took it upon themselves to be trained in various weapons and tactics. We deeply admire their patriotism and... ... 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

POF USA Minuteman Upper Receiver 350 Legend 16.5in Barrel Carbine Length 14.5in Renegade Rail 3-prong Flash Hider Black 1653

POF USA Minuteman Upper Receiver 350 Legend 16.5in Barrel Carbine Length 14.5in Renegade Rail 3-prong Flash Hider Black 1653. They took it upon themselves to be trained in various weapons and tactics. We deeply admire their patriotism and... ... 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 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 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

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in Quad Rail Handguard No BCG/CH

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

Aero Precision M4E1 Complete Upper Receiver AR-15 5.56x45mm NATO 16 in Mid Length Barrel 12 in Quad Rail Handguard No BCG/CH Anodized Black

Aero Precision M4E1 Complete Upper Receiver AR-15 5.56x45mm NATO 16 in Mid Length Barrel 12 in Quad Rail Handguard No BCG/CH Anodized Black. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and visual... ... 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 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

Aero Precision M4E1 Complete Upper Receiver AR-15 10.5 in Rifle Length Barrel 9 in Quad Rail Handguard No BCH/CH Anodized Black APAR640221Q2

Aero Precision M4E1 Complete Upper Receiver AR-15 10.5 in Rifle Length Barrel 9 in Quad Rail Handguard No BCH/CH Anodized Black APAR640221Q2. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and... ... 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

Geissele Super Duty Complete Upper Receiver 5.56mm 14.5in Barrel Mid Length 1-7 Twist Geissele Sparkout Flash Hider Black 14.5in 08-219B

Geissele Super Duty Complete Upper Receiver 5.56mm 14.5in Barrel Mid Length 1-7 Twist Geissele Sparkout Flash Hider Black 14.5in 08-219B. This 14.5" complete upper chambered in 5.56mm features a Geissele Sparkout Flash Hider mounted to an 14.5"... ... more

Aero Precision Complete Upper Receiver M4E1 Threaded PRO 5.56 13.7in 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 13.7in 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 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

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 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

Primary Weapons Systems MK116 MOD 2-M Upper Receiver 7.62x39 16.1in 1-10 Twist FSC 30 3-Setting Adjustable Gas System Black 2M116UF01-1F

Primary Weapons Systems MK116 MOD 2-M Upper Receiver 7.62x39 16.1in 1-10 Twist FSC 30 3-Setting Adjustable Gas System Black 2M116UF01-1F. 1in 7.62x39 Upper Receiver then you've found yourself in the right place.. These AR15 Upper Receivers from the... ... more

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in Quad Rail Handguard No BCG/CH

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

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 12in Quad Rail Handguard No BCG/CH

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 12in Quad Rail Handguard No BCG/CH. 56 Mid Barrel Complete Upper Receiver with Flash Hider is an amazing option. Designed to give you the... ... more

Aero Precision Complete Upper Receiver M5 .308 Winchester 16in Government Mid Length 1 in 10 5/8 x 24 15in A2 Flash Hider Anodized OD Green

Aero Precision Complete Upper Receiver M5 .308 Winchester 16in Government Mid Length 1 in 10 5/8 x 24 15in A2 Flash Hider Anodized OD Green. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more

Aero Precision Complete Upper Receiver M5 .308 Winchester 16in Government Mid Length 1 in 10 5/8 x 24 15in A2 Flash Hider Anodized Kodiak Brown

Aero Precision Complete Upper Receiver M5 .308 Winchester 16in Government Mid Length 1 in 10 5/8 x 24 15in A2 Flash Hider Anodized Kodiak Brown. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more

Aero Precision M4E1 Complete Upper Receiver AR-15 5.56x45mm NATO 14.5 in Mid Length Barrel 12 in Quad Rail Handguard No BCG/CH Magpul Cerakote Flat

Aero Precision M4E1 Complete Upper Receiver AR-15 5.56x45mm NATO 14.5 in Mid Length Barrel 12 in Quad Rail Handguard No BCG/CH Magpul Cerakote Flat. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip... ... 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

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