Primary Weapons Systems, MK114 Mod 2-M Semi-automatic AR, .223 Wylde/556NATO, 14.5" Barrel (16" OAL with Pinned Brake), Mid-length Gas System, FSC556 Compensator, Black Finish, 30Rd PWS Long Stroke Piston Operating System 3-Setting Adjustable Gas System Forged Upper and Lower Receivers The MK114 MOD 2-M, an advanced M4 pattern weapon, is the most compact package not requiring NFA paperwork. By pinning the muzzle device, the MK114 is no longer considered an SBR.
