• Custom Daniel Defense MK18 Geissele Upper 5.56

    This item is out of stock

    *Please Allow 2-3 Business Days Before Item Ships for Build Time.* 

    New Custom Daniel Defense MK18 Upper chambered in 5.56mm. This upper started as a regular MK18 upper that we swapped the handguard out on. Upper ships with the Geissele handguard of your choice in place of the RIS II rail. The barrel, gas block, gas tube, upper receiver, and BCG are all Daniel Defense products. Radian charging handles and Surefire Warcomps (On Sale) are upgradeable.

    • 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, MP tested, and Mil-Spec Heavy Phosphate Coated
    • GAS SYSTEM: Pinned Low Profile Gas Block CNC Machined of 4140 hardened steel with Mil-Spec Heavy Phosphate Coating, Carbine Length, Direct Impingement
    • BOLT CARRIER GROUP: M16 Profile, Mil-Spec MP Tested, Chrome Lined, Properly Staked Gas Key