M1A1 Thompson

The M1A1 Thompson was the latest generation of the Thompson submachine gun that was use as the main Thompson SMG in Call of Duty series. Still, it was selected fired and have a high rate of fire up to 750 rounds per minute. Using a .45 ACP pistol ammo, it was considered to be heavy and bulky compare to the 9mm SMG. It was soon replace by the late 1944 by the M3. It was a legendary submachine gun.