Deal16" Barrel length Chrome Moly barrel steel 5.56 Nato Chamber A2-style profile barrel Phosphate Finish 1 in 7" twist rate M4 Feed ramps F-Marked Front sight post A2 Flash Hider Sling Loop Standard Hand Guards, Black Forged Upper Receiver M16 Bolt Carrier Group Carpenter 158 Bolt Charging Handle from Palmetto State Armory (Product 5165448386) |