LOWER RECEIVER: Mil-Spec with Enhanced Flared Magazine Well and Rear Receiver QD Swivel Attachment Point. CNC Machined of 7075-T6 Aluminum, Type III Hard Coat Anodized; UPPER RECEIVER: Mil-Spec with Indexing Marks and M4 Feed Ramps. CNC Machined of 7075-T6 Aluminum, Type III Hard Coat Anodized; BARREL: Chrome Moly Vanadium Steel, Cold Hammer Forged, 1:7 twist, 16″ Government Profile, Chrome Lined, MP tested, and Mil-Spec Heavy Phosphate Coated; GAS SYSTEM: Pinned Low Profile Gas Block CNC Machined of 4140 hardened steel and Mil-Spec Heavy Phosphate Coating, Mid-length, Direct Impingement; MUZZLE DEVICE: Daniel Defense Flash Suppressor, 17-4 PH Stainless Steel, Salt Bath Nitride Finished; BOLT CARRIER GROUP: M16 Profile, Mil-Spec MP Tested, Chrome Lined, Properly Staked Gas Key; HANDGUARD: Daniel Defense DDM4 Rail 15.0, CNC Machined of 6061-T6 Aluminum, Type III Hard Coat Anodized; RECEIVER EXTENSION: 6 Position Mil-Spec 7075-T6 Aluminum; BUTTSTOCK/PISTOL GRIP/GRIP: Daniel Defense Buttstock/Pistol Grip/Vertical Grip, Glass Filled Polymer with Soft Touch Overmolding; RAIL PANELS: Daniel Defense Rail Panels made from Santoprene, heat resistant to 300Adeg F