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37 mm gun or 3.7 cm gun can refer to several weapons or weapons systems. The "37 mm" refers to the inside diameter of the barrel of the gun, and therefore the diameter of the projectile it fires. However, the overall size and power of the gun itself can vary greatly between different weapons, in spite of them all being called "37 mm" guns.
The 37 mm gun M1 was an anti-aircraft autocannon developed in the United States. It was used by the US Army in World War II . The gun was produced in a towed variant, or mounted along with two M2 machine guns on the M2 / M3 half-track , resulting in the T28/T28E1/M15/M15A1 series of multiple gun motor carriages.
The 37 mm gun M3 is the first dedicated anti-tank gun fielded by United States forces in numbers. Introduced in 1940, it became the standard anti-tank gun of the U.S. infantry with its size enabling it to be pulled by a jeep .
The 37 mm M9 autocannon was a derivative of the 37 mm M1A2 flak gun and used the longer, more powerful 37×223mmSR cartridge. Compared to the M4, the M9 had 50% more muzzle velocity (3,000 fps) from a 78-inch barrel (vs. 65-inch in M4), and was twice as heavy (120 vs. 55 pounds for the barrel alone); the whole M9 weighed 405 pounds vs. 213 of ...
The T249 Vigilante was a prototype 37 mm self-propelled anti-aircraft gun (SPAAG) designed as a replacement for the Bofors 40 mm gun in both towed and self-propelled forms in US Army service. [1] The system consisted of a 37 mm T250 six-barrel rotary cannon mounted on a modified M113 armored personnel carrier chassis.
Hotchkiss 37mm, autocannon based on the M1897-M1914 model [2] Hotchkiss M1922, light machine gun; Hotchkiss M1929, heavy machine gun; 25 mm Hotchkiss anti-aircraft gun, autocannon but sometimes referred to as a machine gun; Hotchkiss Type Universal submachine gun; The Hotchkiss design was also used on foreign productions:
The Type 94 37-mm AT gun was introduced in 1936. The design originated as an improvement to the Type 11 37 mm infantry gun, which was also used as a primitive anti-tank weapon. [5] However, its short bore, low muzzle velocity, short range and slow reloading time gave it a limited capacity against enemy armor. Development of a replacement began ...
As a result, the 37 mm (1.46 in) T9 automatic gun was developed. It was standardized for aircraft use as the M4 cannon in 1942. The 37 mm (1.46 in) gun, M4, used the same high-explosive (M54) and practice (M55A1) projectiles as the 37 mm (1.46 in) antiaircraft gun, M1A2, but different cartridge cases were necessary due to the larger chamber of ...