The first Model of 1919 was called the “Persuader,” and it was built in November 1917. This Thompson was designed to fire the .45 ACP cartridges from a cloth ammunition belt.

Turn your Ruger 10/22 into a semi-auto .22 Thompson machinegun clone. ... And although sometimes overshadowed by its G-man Model 1921 counterpart, it is the United States Submachine Gun, Cal. .45, ...

The Thompson submachine gun and the M3 submachine gun, two classic submachine guns (SMGs), helped American GIs win World War ...