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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.
The 3-inch anti-aircraft gun M3 was an American anti-aircraft gun which served throughout the 1930s and into early World War II. [2] Developed from the earlier 3-inch M1917 and 3-inch M1918 guns, it was in the process of being replaced by the time of the US entry into World War II, but was subsequently adapted into an anti-tank gun role, both free-standing (as the 3-inch M5) and in a self ...
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 primary differences between the two weapons include: development time and intent (the K1 took less time to develop and entered service sooner than the K2, and was developed originally as a submachine gun because it was intended to replace the M3 Grease Gun; the K2 was developed from the start as a service rifle); rifling (K1: 1-in-12 twist ...
M3 VTS: Armoured ambulance variant reconfigured to carry four stretchers in the troop compartment. [3] It has an unusually large one-piece rear door rather than the smaller twin rear doors on the VTT. [1] M3 Toucan: Air defence variant armed with a M963 dual-feed or M621 single-feed 20mm autocannon and a co-axial machine gun in a cupola mount. [3]
The submachine gun was produced by the Fábrica de Braço de Prata weapon factory at Lisbon, [3] whose initials FBP gave the name to the weapon, adopted for service as the m/948 in 1948. It utilized the large bolt and telescoping operating spring of the German MP40 submachine gun, and the collapsible wire stock of the American M3 submachine gun ...