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 Colt ...
As soon as the United States entered the Second World War, it was an opportunity for ... bolt-action Springfield 1903 instead. The M3 submachine gun, or “Grease Gun,” as it was commonly ...
John Taliaferro Thompson, who had intended the weapon for use in World War ... but the Grease Gun was still serving with American tank crews as late as the 1991 Persian Gulf War.