WC-MK12 RETRO
5.56 NATO/.223 Wylde cal., 18 in. barrel, muzzle brake, flip-up front sight, BUIS rear sight, WCW SOPMOD stock, rifle length forearm, PRI MARK 12 Mod 0 SPR, forged aluminum upper and lower receiver, Gas Buster charging handle, Mil-Spec buff...