Deal16" Barrel length 4150 Chrome moly vanadium barrel with black nitride finish 5.56 Nato Chamber 1 in 9" twist rate M4 Feed ramps icatinny Railed Front Gas Block A2 Flash Hider Carbine Hand Guards w/ heat shields Forged upper receiver Includes Bolt Carrier Group and Charging Handle from White River Armory (Product Budget M4) |