Daniel Defense DDM4 14.5" Complete Upper Receiver with M4A1 RIS II Quad Rail
This Daniel Defense 14.5" complete upper receiver assembly is built around the M4A1 RIS II free-float Picatinny quad rail, providing a continuous top rail and full-length 1913 mounting surfaces for lights, lasers, grips, and other accessories.
This upper is not pinned and welded. Included with this specific unit is a Daniel Defense bolt carrier group and charging handle.