Daniel Defense MK18 RIII 5.56mm NATO Flat Dark Earth Upper Receiver Group 23-004-81721-011
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Daniel Defense MK18 RIII 5.56mm NATO Flat Dark Earth Upper Receiver Group 23-004-81721-011, Daniel Defense's MK18 RIII Upper Receiver Group is a perfect start to a custom AR build. It comes equipped with a Cold Hammer Forged Chrome Moly Vanadium Steel barrel, and is topped with a proprietary Daniel Defense Flash suppressor. The upper receiver itself is Mil-Spec and features M4 feed ramps, and the gas system is carbine length. Other features include a 9.5" RIS III rail with a picatinny rail and M-LOK attachment points for unmatched customization. Features: 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, 10.3" Government Profile, Chrome Lined, Mil-Spec Heavy Phosphate Coated, and HP/MPI Tested GAS SYSTEM: Pinned Low Profile Gas Block CNC Machined of 4140 hardened steel with Mil-Spec Heavy Phosphate Coating, Carbine 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 RIS III 9.5, Patented, 6-Bolt Bolt-Up System, CNC Machined of 6061-T6 Aluminum CHARGING HANDLE: GRIP-N-RIP Charging Handle, Body CNC Machined of 7076-T6 Aluminum, Handles & Latch CNC Machined of 6061-T6 Aluminum, Heavy Duty Stainless Steel Roll Pins, Type III Hard Coat Anodized NOTE: Once this part is assembled into a complete firearm, it becomes a regulated item by the National Firearms Act (NFA). ALL REGULATIONS APPLY.