LOWER RECEIVER: Mil-Spec with Enhanced Flared Magazine Well and Rear Receiver QD Swivel Attachment Point; CNC Machined of 7075-T6 Aluminum; UPPER RECEIVER: Mil-Spec with Indexing Marks and M4 Feed Ramps; CNC Machined of 7075-T6 Aluminum; BARREL: Chrome Moly Vanadium Steel, Cold Hammer Forged, 1:7 Twist, 16" Government Profile, Mid-length Gas System, Chrome Lined, Mil-Spec Heavy Phosphate Coated, and HP/MPI Tested; 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 MFR 15.0, CNC Machined of 6061-T6 Aluminum, M-LOK Attachment; RECEIVER EXTENSION: 6 Position Mil-Spec 7075-T6 Aluminum; BUTTSTOCK/PISTOL GRIP: Daniel Defense Buttstock/Pistol Grip, Glass Filled Polymer with Soft Touch Overmolding; FINISH: Daniel Defense Rattlecan