M3 Grease Gun

M3 Grease Gun


Larry breaks down one of his favorite WW2 small arms, the M3 Grease Gun. The M3 was an American .45-caliber submachine gun adopted for U.S. Army service on 12 December 1942, as the United States Submachine Gun, Cal. .45, M3. The M3 was chambered for the same .45 ACP round fired by the Thompson submachine gun, but was cheaper to produce and lighter, although, contrary to popular belief, it was less accurate. This myth stems from a US Army training film portraying the M3 as more accurate than its counterparts. The M3 was commonly referred to as the “Grease Gun” or simply “the Greaser,” owing to its visual similarity to the mechanic’s tool. The M3 was intended as a replacement for the Thompson, and began to enter front-line service in mid-1944. Due to delays caused by production issues and approved specification changes, the M3 saw limited combat use in World War II. The M3A1 variant was used in the Korean War and later conflicts.

M3 Grease Gun

M3 Grease Gun

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