Barrel: - Chrome Moly Vanadium - M4 Feed Ramps - 16 Length - 1x9 Twist - A2 Flash Hider - Nitride Finish - Nitride under Gas Block - DTI Low Profile Gas Block - Threaded Muzzle - Light Weight Profile - Chamber: - 5.56 X 45 mm - Bolt And Carrier: - Phosphated 8620 Steel Carrier Assembly - Heat Treated and Plated - Mil-Spec - Chrome Lined Carrier Interior - Carrier Key - chrome lined attached with Grade 8 Screws - Properly Staked & Sealed Gas Key - Handguards: - 13.5 MLOK Free Float - Upper Receiver: - Forged 7075 T6 Aluminum - Flat Top With M4 Feed Ramps - Hard Coat Anodized - Mil-Spec - Ejection Port Cover and Round Forward Assist - Right Hand Ejection - Lower Receiver: - Forged 7075 T6 Aluminum - Hard Coat Anodized - Mil-Spec - Aluminum Triggerguard - Semi-Auto - Aluminum Mag Catch Button - Buttstock: - M4 5 Position - Mil-Spec Buffer Tube - Weight: - 6.2 lbs Empty - Length: - 36.375 Fully Extended - 32.625 Collapsed - Accessories: - 1 x 30rd Magazine - Gun Lock