M1A1 Thompson

M1A1 Thompson

Phillycheese
The M1A1 Thompson is a weapon in the Thompson family of submachine guns. The other variants include the M1921, M1928, and M1. The M1A1 was created during World War II as a development of the M1. The M1 eliminated many complicated features of the M1921 and M1928 and made the Thompson design simpler. The difference between the M1 and M1A1 is the fact that the M1 has a seperate firing pin, and the M1A1 has a fixed firing pin. The weapon can use either 20 or 30 round box magazines. #firing_pin #m1 #m1921 #m1928 #m1a1 #magazine #simple #submachine_gun #thompson #wwii
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