SPECS: – Barrel: – Chrome Moly Vanadium – M4 Feed Ramps – 16 Length – 1×9 Twist – A2 Flash Hider – Manganese Phosphated – Phosphated 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: – 15 Split Picatinny Top Rail 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 – Polymer Enhanced 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