Primary Weapons Systems

Primary Weapons Systems MK114 Mod 1-M, Upper Receiver, 223 Wylde, 14.5" Barrel, No Muzzle Device, Anodized Finish, Black, MLOK Handguard, Long Stroke Piston System, Adjustable Gas System, Fits AR-15 MK1-M1U-223-14-NC

Primary Weapons Systems

Primary Weapons Systems MK111 Mod-1M Upper, Fits AR15, 223 Wylde, 11.85" Barrel, Black Color, Anodized Finish, PWS M-lok 6.9" Handguard MK1-M1U-223-11

Primary Weapons Systems