CMMG MK4 5.56x45mm NATO 16" Semi-Auto Rifle

This CMMG MK4 is a right-hand semi-auto rifle in 5.56x45MM NATO Cal. The barrel is 16 inches long with a muzzle break, and a ROT 1:7. It has a full top optic rail. The forearm is a metal floating handguard. The stock is an adjustable polymer triangle. The pistol grip is metal with textured side panels. The front strap is textured, and the back strap is smooth. It includes one magazine. 5.56x45MM NATO