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 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 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 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

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

Primary Weapons Systems MK107 MOD1-M Upper Receiver .223 Wylde 7.75in bbl Black M107UA01-1F

Primary Weapons Systems MK107 MOD1-M Upper Receiver .223 Wylde 7.75in bbl Black M107UA01-1F. 75in Barrel .223 Wylde 3-Setting Adjustable Gas System Triad556 Specifications for Primary Weapons Systems MK107 MOD1-M .223 Wylde 7.75in bbl Upper Receiver:... ... more

Primary Weapons Systems MK111 MOD 1-M Upper Receiver 7.62x39 11.85in Pistol Length 1-10 Twist PWS Triad 30 3-Setting Adjustable Gas System Black

Primary Weapons Systems MK111 MOD 1-M Upper Receiver 7.62x39 11.85in Pistol Length 1-10 Twist PWS Triad 30 3-Setting Adjustable Gas System Black. 85in 7.62x39 Upper Receiver. These AR15 Upper Receivers through the expert product specialists at Primary... ... more