Regardless if its your first or fiftieth, a radical firearms ar rifle will not disappoint.The 16" socom 5.56mm ar rifle uses mil-std upper and lower receivers along with radical's 15" rpr free float rail system for increased accuracy, keeping your hands cool, and giving you plenty of room for accessories.The mft grip and mft stock provide a comfortable hold on the rifle whether prone or upright.Action: Semi-AutoCaliber: 5.56x45mm NATOBarrel Length: 16"Capacity: 30+1Trigger: Mil-SpecStock Description: 6 Position MFT MinimalistMuzzle: A2 Flash HiderReceiver Material: 7075-T6 AluminumSights: Optic ReadyBarrel Description: Chrome Moly VanadiumTwist: 1:7"Barrel Length Range: 16" to 16.99"Hand: RightStock Finish Group: BlackMetal Finish Group: Blued/Black