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

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

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

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 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

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

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 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

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 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 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

Del-Ton Pre-Ban Heavy Profile Rifle Complete Upper Receiver 5.56x45mm NATO 16in Mid-Length Black RKT104

Del-Ton Pre-Ban Heavy Profile Rifle Complete Upper Receiver 5.56x45mm NATO 16in Mid-Length Black RKT104. Del-Ton brings this rifle kit with a complete upper assembly that has been head-spaced and test-fired. Includes all buttstock components and a... ... 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 .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

Primary Weapons Systems MK111 MOD 2 Upper Receiver 11.85 in Barrel 11 in KeyMod Rail Triad 556 Black .223 Wylde 2M111UA0B

Primary Weapons Systems MK111 MOD 2 Upper Receiver 11.85 in Barrel 11 in KeyMod Rail Triad 556 Black .223 Wylde 2M111UA0B. The MOD 2 handguard is equipped with the PicMod Technology. This allows you to mount any MLOK attachment anywhere on your rail... ... 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

Tiger Rock Complete Upper Receiver AR-15 5.56 NATO 16in Mid Length 1-7 Twist w/ 16in Keymod Handguard Black Large UB15-FKM16

Tiger Rock Complete Upper Receiver AR-15 5.56 NATO 16in Mid Length 1-7 Twist w/ 16in Keymod Handguard Black Large UB15-FKM16. The Upper Receiver 16in Barrel and Bolt Carrier Group are made in specialized factories Included is a 16in Free Float Keymod... ... 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

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

Sharps Bros. 16in AR15/M4 Complete Upper Receiver 5.56/.223 Cal 15in Handguard Mid Length 1-7 Twist Rate 1/2x28 TPI Black Nitride SBBU01

Sharps Bros. 16in AR15/M4 Complete Upper Receiver 5.56/.223 Cal 15in Handguard Mid Length 1-7 Twist Rate 1/2x28 TPI Black Nitride SBBU01. Specifications for Sharps Bros. 16in AR15/M4 5.56/.223 Complete Upper Receiver: Manufacturer: Sharps Bros.... ... 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

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 AR15 Complete Upper Receiver 16in 5.56 Mid-Length Barrel w/ Pinned Front Sight Base M4 Handguard Black APAR505631

Aero Precision AR15 Complete Upper Receiver 16in 5.56 Mid-Length Barrel w/ Pinned Front Sight Base M4 Handguard Black APAR505631. 56 NATO complete upper receiver from Aero Precision. These Mil-Spec AR15 Upper Receivers are built from tough 4150 Chrome... ... more

Aero Precision Complete Upper Receiver M4E1 16in 5.56 Mid Pencil Length Barrel EQ-15 Gen 2 Handguard Anodized Black APAR640251Q39

Aero Precision Complete Upper Receiver M4E1 16in 5.56 Mid Pencil Length Barrel EQ-15 Gen 2 Handguard Anodized Black APAR640251Q39. This is a streamlined design that only needs eight screws to mount a free-floating handguard making these AR15 Upper... ... more

Wilson Combat Upper Complete Forged 5.56 NATO Protector Mid Length 16in Round Q-Comp 1-8 Twist Black Without Forward Assist Black TR-UFW556LEM16RQ8B

Wilson Combat Upper Complete Forged 5.56 NATO Protector Mid Length 16in Round Q-Comp 1-8 Twist Black Without Forward Assist Black TR-UFW556LEM16RQ8B. Complete High Performance AR Upper Receiver Units use the same top tier components skilled gunsmith... ... 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 M5E1 Complete Upper Reciever .308 16in Mid Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Anodized Black APAR308554M22

Aero Precision M5E1 Complete Upper Reciever .308 16in Mid Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Anodized Black APAR308554M22. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more

Aero Precision M5E1 Complete Upper Reciever .308 16in Mid Barrell 1-10 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Anodized Black

Aero Precision M5E1 Complete Upper Reciever .308 16in Mid Barrell 1-10 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Anodized Black. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more

Aero Precision M5 Complete Upper Receiver 16in .308 SS Mid Barrel w/ATLAS S-ONE 12in M-LOK Handguard Anodized Black APAR538104M23

Aero Precision M5 Complete Upper Receiver 16in .308 SS Mid Barrel w/ATLAS S-ONE 12in M-LOK Handguard Anodized Black APAR538104M23. 308 SS Complete Upper Receiver w/ ATLAS S-ONE Handguard. Aero Precision built these AR Handguards & Rails with a front... ... more

Aero Precision M5 Complete Upper Receiver 16in .308 SS Mid Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Black APAR538105M23

Aero Precision M5 Complete Upper Receiver 16in .308 SS Mid Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Black APAR538105M23. 308 SS Complete Upper Receiver w/ ATLAS S-ONE Handguard. Aero Precision built these AR Handguards & Rails with a front... ... more

Aero Precision M4E1 Complete Upper Receiver AR-15 18 in Rifle Length Barrel 15 in Quad Rail Handguard No BCH/CH Anodized Black APAR640251Q8

Aero Precision M4E1 Complete Upper Receiver AR-15 18 in Rifle Length Barrel 15 in Quad Rail Handguard No BCH/CH Anodized Black APAR640251Q8. These AR15 Upper Receivers from Aero Precision have an enhanced milling design for grip and visual appeal. In... ... more