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. [13] 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. [13]

The M1 carbine (formally the United States carbine, caliber .30, M1) is a lightweight semi-automatic carbine chambered in the .30 carbine (7.62×33mm) cartridge that was issued to the U.S. military during World War II, the Korean War, and the Vietnam War. [11] .

In US military service, it is officially known as the M3 Multi-Role Anti-Armor Anti-Personnel Weapon System (MAAWS) or Ranger Antitank Weapons System (RAWS), but is often simply called the "M3 Carl Gustaf" or just "Gustaf". [14]

Jun 13, 2018 · Page details technical specifications, development, and operational history of the M3 Carbine (US Carbine, Caliber 30, M3) Sniper Carbine Rifle including pictures.

May 20, 2016 · From the time of its inception, the M3 submachine gun was often considered a cheaply made and inferior replacement for the finely crafted Thompson. However, the grease gun was a portent of things...

Aug 11, 2022 · 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 …

Select-fire M2 carbine with 30-round magazine and muzzle brake. The cyclic rate was approximately 750 rounds per minute. RIGHT: M3 carbine with late production M3 sniper scope. (U.S. Marine Corps National Museum)

A good example is SA-ITM-S201 Ordnance Inspector Training Manual, Carbines, Cal .30, M2 And M3 dated 1 June 1951. It's discussion of the development of the Model M2 and Model M3 carbines is based on the particular configuration and intended use.

Nov 2, 2015 · A majority of U.S. armed forces were still issued the M1 rifle, M1 or M2 carbines and M3/M3A1 submachine guns. The grease guns continued to be issued during the Vietnam War. Spare parts continued to be produced for the M3 and M3A1 weapons, including new corrosion-resistant, chrome-lined barrels.

Apr 14, 2017 · Chambered for the .45ACP cartridge, it is notable for its very low rate of fire – 350-400 rpm, which made it quite controllable and easy to shoot for relatively inexperienced troops.