Daniel Defense MK18 Upper Receiver Group (10.3") 5.56 NATO
The Daniel Defense MK18 Upper Receiver Group pairs a 10.3" cold hammer forged, chrome-lined 5.56 NATO barrel with a carbine-length direct-impingement gas system and a pinned low-profile gas block. Up front, it features the MK18 RIS II Picatinny quad-rail for lights, lasers, and other rail-mounted accessories.
This upper includes a Mil-Spec bolt carrier group and charging handle.




