This rifle has a 16 heavy barrel with 1x9 twist 5 position M4 stock CAR handguards with single heat shields and A2 flash hider. The rifle also comes with 1 x 30rd magazine and a CA approved Gun Lock. Ships with a Chamber Safety Tool in the chamber showing clearly the weapon is unloaded. - Barrel: - Chrome Moly Vanadium - Heavy Profile - M4 Feed Ramps - 16 Length 1x9 Twist - Manganese Phosphated - Phosphated under Front Sight Base - Taper Pins on F-Marked Front Sight Base - Threaded Muzzle A2 Flash Hider - Chamber: 5.56 X 45 mm Nato - Bolt And Carrier: - Phosphated 8620 Steel Carrier Assembly - Carpenter 158 Bolt HPT/MPI Tested - 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: - Carbine Length - Aluminum Delta Ring - Single Heat Shield - Upper Receiver: - Forged 7075 T6 Aluminum - A3 Upper with M4 Feed Ramps - Hard Coat Anodized - Bore's surface is coated with dry film lube over the anodized surface - 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 & Mag Catch Button - Semi-Auto - Buttstock: - M4 - 5 Position Mil-Spec - Reinforced Fiber - H-Buffer - Weight: 6.6 lbs Empty - Length: - 36.375 Fully Extended - 32.625 Collapsed - Accessories: - 1 x 30rd Magazine - Gun Lock - Chamber Tool