The M16A4 may soon retire. This week, the Marine Corps announced via internal memo that the M4 carbine will become the primary-issued rifle in infantry and security units, as well as replace the M16 ...
Key Points - 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 ...