CMMG MK4 HT - Heavy Taper Salt Bath Nitride 5.56mm Caliber 16 Inch Heavy Weight Taper Threaded Barrel 1/2-28 TPI RKM11 KeyMod Hand Guard A2 Pistol Grip M4 Butt Stock Black 30 Round

MK4 HT features CMMG's RKM11 KeyMod free float hand guard. Sixteen inch heavy weight taper threaded barrel (1/2-28 TPI) with thread protector. A2 pistol grip and M4 butt stock with six position mil-spec receiver extension. Forged 7075-T6 AL M4 type upper, AR-15 type lower. Single stage mil-spec style trigger. Weight 7 pounds (unloaded). Length: 31 inches (stock collapsed).