The M249 SAW (Squad Automatic Weapon) is a light machine gun featured in Call of Duty 4, Call of Duty Modern Warfare 2 and Call of Duty Black Ops.
It Only appears mounted in call of duty modern warfare 2.
M249N
It is also used by the USMC, OpFor, SAS and Ultranationalists.
It is issued to the Imperial Japanese Navy and Royal Italian Army.