Daniel Defense MK18 Upper Receiver Group 10.3" (5.56 NATO) w/ RIS II Quad Rail
This Daniel Defense MK18 complete upper receiver group is built around a 10.3" cold hammer forged, chrome-lined 5.56 NATO barrel with a carbine-length direct impingement gas system and 1:7 twist. The MK18 RIS II Picatinny quad-rail handguard uses Daniel Defense’s Bolt-Up System for a rigid, free-float setup.
Included with this upper: Daniel Defense bolt carrier group and a BCM ambi charging handle.



