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

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 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 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 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 MK116 PRO Upper Receiver 16 inch Barrel Matte Black PM116UA01-1F

Primary Weapons Systems MK116 PRO Upper Receiver 16 inch Barrel Matte Black PM116UA01-1F. 56mm NATO and .223 Remington with the Primary Weapons Systems MK116 PRO UPPER .223 WYLDE Receiver These AR15 Upper Receivers will give you the AR15 carbine build... ... 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