Daniel Defense MK18 Upper Receiver DDMK18 5.56 NATO 10.3" Cold Hammer Forged Barrel
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.
The uppers are available with various choices of rail systems. The Daniel Defense M4 Upper Receiver Groups are light weight and rugged that are ready for action.
The barrels on our upper receiver groups are all constructed from 4150 MP tested steel and are chrome lined.
Materials & Construction
Precision crafted from the highest quality material available today with meticulous attention to detail, The Daniel Defense M4 Upper Receiver Groups will prove to be the standard in the industry.