Watch this "I Have This Old Gun" segment from a recent episode of American Rifleman TV, as editors examine the iconic Thompson M1A1 Submachine Gun.

The Model of 1919 Thompson submachine guns were the first of their breed, but they were more of an evolutionary series than a “model.” With names like “Persuader” and “Annihilator ...

Still, Thompson convinced Colt to produce 15,000 M1921 submachine guns. Early observers of the M1921 test-fired on the range were impressed by how much firepower the “little machine gun ...

The Thompson submachine gun weighs over ten pounds when fully loaded. It came with straight box magazines with capacities of 20 or 30 .45 ACP ammunition.

His submachine gun design was in many ways superior to the Thompson. It was lighter, weighing a paltry seven pounds (the Thompson tipped the scales at around eleven pounds), and more accurate.

The Thompson submachine gun and the M3 submachine gun, two classic submachine guns (SMGs), helped American GIs win World War II. Both fired the same powerful and ever-beloved .45 ACP (Automatic ...

The Thompson submachine gun was designed for use by soldiers in war, but Chicago gangsters made it famous as the Tommy gun, aka the Chicago typewriter.

The U.S. Army went into World War II with the M1928A1 Thompson submachine gun, which fired the same .45 ACP round as the M1911A1 pistol.

The company behind the venerable Thompson submachine gun, a favorite of both gangsters and GIs, is releasing a deluxe (semi-auto) version of the Tommy gun chambered in 9mm for public consumption.

Bootlegging gangsters of the 1920s and 30s firing a barrage of bullets at the G-men in pursuit—that's the mental picture you might have of the Tommy gun. But while the Thompson submachine gun ...