The .45 ACP chambered submachine gun M3 was born of the necessities of a full national wartime mobilization. At peak production M3s were a bargain at $20.94 each, which is less than half the cost ...

Until now, if you wanted to read anything in depth on the M3 “grease gun,” there was only one standalone publication available, Frank Iannamico’s The U.S. M3-3A1 Submachine Gun, a 166-page ...

It looked crude—but the M3 got the job done. Built cheap and fast, the Grease Gun became a WWII and Korea staple with solid stopping power and battlefield simplicity.

Task & Purpose got a chance to inspect one of them, a modified .45 caliber M3 “Grease Gun” during a behind-the-scenes tour at the Naval Heritage and History Command in Washington, D.C.

Towards the end of the war the Thompson was supplemented by the M3 “Grease Gun”, also in .45 ACP. In the U.S. Army, the M3 was used up through the 1991 the Gulf War by vehicle and by Delta ...

The Army, needed a simpler, easier to manufacture design to supplement the “Tommy Gun” and the result was the M3 “Grease Gun,” also in .45 ACP. Adopted in 1944, the M3 was used throughout ...

The unprepossessing STEN gun was produced at half the price of an American M3 “grease gun” and some 20 times less than a Thompson submachine gun during World War II.