Minuteman Rifle, 5.56x45mm NATO, 13.75" Barrel w/pinned Dead Air muzzle brake, 13" Renegade Rail, Mid-Length Lo Pro DI Gas Block. Oal 34" Twist 1:7" Muzzle Dead Air Muzzle Brake Weight 6.20 lbs Caliber 5.56x45mm Capacity 30+1 Weight Range 6 lbs to 6.99 lbs Barrel Length 13.75" Receiver Material Aluminum Barrel Description Steel Threaded Stock Finish Group Black Barrel Length Range 13" to 13.99"