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 original M3 “grease gun” was developed in the early 1940s and adopted by the U.S. Army in 1943 as a cost-saving alternative to the much more complex and difficult-to-produce Thompson ...

The .45 caliber submachine gun M3 is often indicated as being a success story of small arms design and development during World War II. Born of the necessities and exigencies of a full national ...

An M3 submachine gun similar to the one pictured here was recovered, along with four other firearms, at a Jersey City demolition site on Thursday, authorities said.

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An M3 submachine gun similar to the one pictured here was recovered, along with four other firearms, at a Jersey City demolition site on Thursday, authorities said.

The M3 submachine gun, known as the “grease gun,” was created to replace the Tommy gun, but service members were reluctant despite the new SMG weighing less. ...

The APC9K is the first new submachine gun for the U.S. Army since the M3 “Greasegun” of World War II. The service will buy 350 of the compact automatic weapons for $2.5 million, with an option ...

In the battle between the Tommy Gun and Grease Gun, “quantity has a quality all its own.” The Thompson submachine gun and the M3 submachine gun, two classic submachine guns (SMGs), helped ...