FEATURES: -Caliber: 5.56 NATO -Barrel: 16" Chrome Moly Vanadium -1:8" Twist -Mil-Spec M4 stock -CAR handguards with single heat shields -A2 flash hider -Dual aperture rear sight -One 30 round magazine -Includes a gun lock -Overall weight: 6.85 lbs -Overall length: 32.625"-36.375"