Daniel Defense manufactures the highest quality complete AR15 upper receivers on the market today! Every Daniel Defense upper is painstakingly hand assembled, quality assurance tested, and test fired to ensure that the highest quality product makes it to the hands of our customers.
The Daniel Defense M4 URG, MK18 comes complete with bolt carrier group and charging handle, 10.3″ Cold Hammer Forged Barrel, RIS II MK18 Rail System, and Daniel Defense low profile gas block.
Specifications:
Upper Receiver: A4 Upper Receiver with M4 Feed Ramps Barrel
Characteristics: 10.3″ Cold Hammer Forged, 5.56 NATO Chamber, 1:7 Twist, Govt Profile, Carbine Gas Port, Chrome Lined, Mil Spec Heavy Phosphate Coated, HP and MPI tested Bolt Carrier Group: F/A BCG, HP and MPI Tested, Shot Peened Bolt, Extractor Booster, Properly Staked Gas Key Flash Hider: A2 Bird Cage Flash Hider Rail System: RIS II MK18 Low Profile Gas Block
Weight: 3lbs 8oz
The MK18 AR15 style Upper Receiver Group is unmatched in size, weight, and performance, and features the picatinny quad rail Daniel Defense provides to USSOCOM. The RIS II rail features a Bolt-Up System that has been rigorously tested prior to fielding by USSOCOM. The 10.3 inch Cold Hammer Forged barrel is the same length in use for the MK18 upper most commonly used for CQB operations. Its independently ambidextrous GRIP-N-RIP Charging Handle accommodates left- and right-handed shooters. All Daniel Defense complete upper receiver groups come standard with an M16 profile bolt carrier group.
