Daniel Defense M4A1 14.5" Complete Upper Receiver Group (RIS II Picatinny Quad Rail)
This Daniel Defense complete upper receiver group is built around a 14.5" cold hammer forged M4-profile barrel with a carbine-length gas system and a pinned low-profile gas block. The M4A1 RIS II quad rail provides full Picatinny at 12/3/6/9 o'clock for lights, lasers, and accessories.
Includes a Daniel Defense bolt carrier group and a Radian Raptor charging handle. This upper is not pinned and welded.