Caliber .223/5.56 Material 7075-T6 aluminum, forged, MIL-spec Action Semi-Automatic Gas system direct Impingement Barrel twist 1:7 Barrel length 7-1/2″ Barrel profile: M4 Heavy, melonite Barrel threat 1/2×28 Muzzle devise A2 Flash Hider Trigger 5.5 lbs, MIL-spec, Single Stage Color black Sights A2 Iron with carry handle
