Daniel Defense MK18 Upper Receiver Group 10.3" (5.56mm NATO) with RIS II MK18 Quad Rail
This Daniel Defense MK18 upper receiver group is built around a 10.3" cold hammer forged, chrome-lined 5.56mm NATO barrel with a 1:7 twist and a carbine-length direct impingement gas system. The Daniel Defense RIS II MK18 Picatinny quad rail provides a full rail interface for lights, lasers, grips, and other accessories.
Includes a Radian Raptor-SD charging handle (installed). Bolt carrier group is not included. A vertical foregrip and rail panels are installed.



