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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 ]
The M3 has a dummy tube just for stock attachment. Benelli's M3T is an OEM variant, where the butt-stock and dummy tube have been replaced with a pistol grip and up-folding skeleton butt-stock. Benelli's SuperNova pump-shotgun and MR1 self-loading rifle have similar butt-stock attachment to the M3, so this adds two new butt-stock options to M3.
Muzzle brakes are simple in concept, such as the one employed on the 90 mm M3 gun used on the M47 Patton tank. This consists of a small length of tubing (mounted at right angles) at the end of the barrel. Brakes most often utilize slots, vents, holes, baffles, and similar devices.
In the 1950s, the FMAP DM (Fábrica Militar de Armas Portables Domingo Matheu), belonging to the Dirección General de Fabricaciones Militares, acquired the production rights of a copy of the U.S. M3 A1 submachine gun, more commonly known as the "Grease Gun". This Argentinian version was chambered for 9×19mm cartridges, as opposed to the .45 ...
The M3 also carries more TOW missiles as well as more ammunition for its 25-mm and 7.62-mm guns. The M3 Bradley Cavalry Fighting Vehicle in its original configuration in 1983. The vehicle is wearing the MERDC "Summer Verdant" camouflage scheme which was replaced by a 3-color standard woodland NATO pattern in the mid-1980s.
The T19 howitzer motor carriage (HMC) was a 105 mm (4.1 in) howitzer mounted on a M3 Half-track chassis. It saw service during World War II with the U.S. Army. Its secondary armament consisted of an air-cooled .50 in (13 mm) M2 machine gun for local defense. It was produced by Diamond T between January 1942 and April 1942.
The US Army also experimented with mounting the M3 on various wheeled carriages for use as anti-tank gun, but the program was cancelled due to a lack of requirement. [5] Barrel length: 40 calibers (3 m) Muzzle velocity: 619 m/s (2,031 ft/s) with M72 AP shell; M4. The 75 mm aircraft gun M4 is a modification of the M3 gun found in medium tanks.
It was developed in 1942 when existing manufacturers of the M2 half-track car, and M3 half-track could not keep up with production demand. International Harvester (IH) had capacity to produce a similar vehicle to the M3, but some differences from the M3 had to be accepted due to different production equipment. IH produced the M5 from December ...