The M4/M4A1 5.56mm Carbine is a lightweight ... Equipped with a shorter barrel, collapsible stock and detachable carrying handle (with a built-in accessory rail) it provides soldiers operating ...

This rifle is much, much cooler, though! Related: How to Build an M4 Shorty in Gray Zone Warfare Besides the iconic factor of using this weapon, the recreated CAR-15, built around an M4 in Gray ...