Daniel Defense M4A1 Upper Receiver Group 14.5" 5.56 NATO with RIS II Picatinny Quad Rail
AR-15 style upper receiver group built with a Daniel Defense 14.5" cold hammer forged 5.56 NATO barrel (chrome moly vanadium, chrome-lined) and a Daniel Defense M4A1 RIS II Picatinny quad rail. The upper receiver features M4 feed ramps and indexing marks.
This unit is configured with a Strike Industries dust cover and includes a muzzle device installed. No charging handle or bolt carrier group is provided.




