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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. The "37 mm" refers to the inside diameter of the barrel of the gun, and therefore the diameter of the projectile it fires.
While modern firearms are generally referred to by the name of the cartridge the gun is chambered for, they are still categorized together based on bore diameter. [citation needed] For example, a firearm might be described as a "30 caliber rifle", which could accommodate any of a wide range of cartridges using a roughly 0.30 inches (7.6 mm) projectile; or as a "22 rimfire", referring to any ...
The 37 mm was a popular caliber of anti-tank guns in the 1930s; other anti-tank guns of the same caliber included Swedish Bofors gun, Czechoslovakian vz. 34 and vz. 37, Japanese Type 94 and Type 1. Development and testing continued until late 1938.
152.4 mm (6.00 in) 6"/50 caliber Mark 6 and 8 guns United States: 1900s - World War I - World War II 152.4 mm (6.00 in) 6"/53 caliber Mark 12, 14, 15 and 18 guns United States: 1920s - World War II 152.4 mm (6.00 in) 6"/47 caliber Mark 16 and 17 gun United States: World War II - 1970s 155 mm (6.1 in) Canon de 155 mm Modèle 1920 50-caliber
The slower-burning deflagration action results in a characteristic fragmentation pattern with large pieces dispersed in a 30-degree cone. [5] The Mk 211 is a very popular .50 caliber sniper round used in the Barrett M82 rifle and other .50 BMG rifles. [4] It is also often used in heavy machine guns such as the M2 Browning, but not the M85.
The .50-caliber (12.7mm) round was heavier and could inflict significantly more damage than .308 and .30-06, traditional military and hunting rounds. ... compared to a 1.5 ounces for the .50 ...
The .50 BMG (.50 Browning Machine Gun), also known as 12.7×99mm NATO, and designated as the 50 Browning by the C.I.P., [1] is a .50 in (12.7 mm) caliber cartridge developed for the M2 Browning heavy machine gun in the late 1910s, entering official service in 1921.
The magazine can hold 1,174 rounds, although 1,150 is the typical load-out. Muzzle velocity when firing armor-piercing incendiary rounds is 1,013 m/s, almost the same as the substantially lighter M61 Vulcan's 20 mm round, giving the gun a muzzle energy of just over 200 kilojoules. [9] 30x173mm round next to a .30-06 Springfield for comparison