Daniel Defense M4A1 Upper Receiver Group 14.5" (5.56mm NATO) with RIS II FDE Quad Rail
Daniel Defense M4A1 upper receiver group (includes Radian Raptor-SD charging handle; bolt carrier group not included) built around a 14.5" cold hammer forged, chrome moly vanadium M4-profile barrel with a 1:7 twist and carbine-length direct impingement gas system. The upper uses a Daniel Defense RIS II Picatinny quad-rail handguard (FDE) and a flash suppressor installed on the barrel.
This unit includes a Radian Raptor-SD charging handle. Bolt carrier group is not included.