The M3 is an American .45-caliber submachine gun adopted by the U.S. Army on 12 December 1942, as the United States Submachine Gun, Cal. .45, M3. [12] The M3 was chambered for the same .45 ACP round fired by the Thompson submachine gun, but was cheaper to mass produce and lighter, at the expense of accuracy. [12]

M3A1 Grease Gun IMPORTANT ANNOUNCEMENT! SA/M3-A1's (with new improved design) in full production! We are now accepting orders. A faithful re-creation of the venerable M3-A1, using several USGI parts. The pistol version includes an 8 inch barrel. A carbine version with a 16.5 inch barrel and a collapsible stock is also available.

2022年8月11日 · When the lightweight and cheap US Submachine Gun, Cal. 45, M3 was introduced into service in 1944, it was intended for use across all theaters of combat. Nicknamed the “Grease Gun” and “Greaser” due to its appearance, it accomplished this goal, albeit with a …

2016年5月20日 · The new variant, standardized as the “U.S. Submachine Gun, Cal. .45, M1,” dispensed with the unnecessary and over-engineered Blish locking system of the M1928A1 Thompson.

The design would chamber and fire U.S. standard .45 -caliber ammunition at a cyclic rate not to exceed 500 rounds per minute. Furthermore, it had to hit a six-foot-square target 90 out of 100 times when fired from a standing position at 50 yards.

The .45 caliber M3 is an automatic, air-cooled blowback-operated weapon firing from an open bolt, which is driven forward by the recoil springs, stripping and chambering and firing a round in the same motion. The M3A1 is an improved, simplified variant of the M3.

2024年5月20日 · Just about every military small arms enthusiast is familiar with the U.S. M3 and M3A1 submachine guns, better known by the nickname bestowed upon them by GIs during World War II, the “grease gun.” The .45 caliber M3 was conceived as a less expensive alternative to the Thompson submachine gun, which at the time the U.S. entered World War II ...

2024年11月5日 · The M3, an American .45-caliber submachine gun, was adopted by the U.S. Army on December 12, 1942, as a cheaper and lighter alternative to the M1A1 Thompson submachine gun, although it sacrificed some accuracy. Nicknamed the "Grease Gun" for its resemblance to a mechanic's tool, it began frontline service in …

2016年2月25日 · On Dec. 21, 1944, the M3E1 was officially adopted as the .45-caliber submachine gun, M3A1—coincidentally at the same time that field modified M3s were fighting the German onslaught 4,000...

Although the most frequently recognized U.S. small caliber automatic weapon of the World War II era was the Thompson .45 caliber submachine gun (the so-called “Tommy gun” of gangster fame) the troops training at Geiger Field used a much simpler design, the United States Submachine Gun, Cal. .45, M3/M3A1, called, due to its appearance, the ...