The M16A4 served as the primary service rifle for the US Marine Corps from 1997 until 2015. -Essentially an M16A2 with a flat-top receiver and a MIL-STD-1913 rail system, it allowed for the mounting ...

The upper receivers of the guns were found wrapped in a towel. The lower receivers and magazines were found in a box. The components were found on the same main bedroom shelving unit as the items ...