Primary Weapons Systems MK111 MOD 2-M Upper Receiver 7.62x39 20.75in 1-10 Twist Black 2M111UF01-1F

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 MK111 MOD2-M Upper Receiver .223 Wylde 11.85 inch Barrel Matte Black 2M111UA01-1F

Primary Weapons Systems MK111 MOD2-M Upper Receiver .223 Wylde 11.85 inch Barrel Matte Black 2M111UA01-1F. 223 Wylde. For AR 15 pistols the Primary Weapons Systems MK111 MOD2-M 11.85 inch .223 Wylde Upper Receiver is exactly what you need. IF you're... ... 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 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 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

Primary Weapons Systems MK111 MOD1-M Upper Receiver .223 Wylde 11.85in bbl Black M111UA01-1F

Primary Weapons Systems MK111 MOD1-M Upper Receiver .223 Wylde 11.85in bbl Black M111UA01-1F. 85in Barrel .223 Wylde 3-Setting Adjustable Gas System Triad556 Specifications for Primary Weapons Systems MK111 MOD1-M .223 Wylde 11.85in bbl Upper Receiver:... ... more

Primary Weapons Systems MK109 MOD 2-M Pistol Upper Receiver .300 AAC Blackout 9.75in Barrel 1-8 Twist Matte Black 2M109UB01-1F

Primary Weapons Systems MK109 MOD 2-M Pistol Upper Receiver .300 AAC Blackout 9.75in Barrel 1-8 Twist Matte Black 2M109UB01-1F. 300 AAC Blackout is a stand-out choice for pistols. If you're looking AR15 Upper Receivers to start your build the Primary... ... more

Primary Weapon Systems M114UA01-1F MK116 223 Wylde 16 Inch 4140 Steel Chrome-Lined Black Hard Coat Anodized Barrel Finish

Primary Weapon Systems M114UA01-1F MK116 223 Wylde 16 Inch 4140 Steel Chrome-Lined Black Hard Coat Anodized Barrel Finish. 56mm NATO and .223 Remington with the Primary Weapons Systems MK114 MOD 1-M UPPER .223 WYLDE Upper Receiver These AR15 Upper... ... more