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Although its shells, 50 x 228 mm, are twice the diameter of the 25×137mm cartridge of the M242, the 50mm cannon is not much longer than the smaller weapon. [2] The overall lengths of the 25mm cannon and 50mm cannon are 105.2 inches (267 cm) and 117.7 inches (299 cm), respectively; while the portion of the gun that intrudes into the turret are ...
305 mm (12.0 in) 12 inch/50 caliber naval gun United States Argentina: World War I - World War II - Cold War 305 mm (12.0 in) 12"/50 caliber Mark 8 gun United States: World War II - Cold War 317.5 mm (12.50 in) RML 12.5 inch 38 ton gun United Kingdom: 1875 - 1890s 320 mm (13 in) Gonzalez Hontoria de 32 cm mod 1883 Spain: 1883 – 1920s
A 16-inch gun of 50 calibers (16" L/50) has a barrel length of 50 × 16 = 800 inches (66 ft 8 in). Both 14-in and 16-in navy guns were common in World War II. The British Royal Navy insisted on 50-cal guns on ships as it would allow 1,900 to 2,700 lb (860 to 1,220 kg) shells to travel at an initial velocity of up to 1,800 mph (2,897 km/h) to a ...
The now obsolete Scottish inch (Scottish Gaelic: òirleach), 1 / 12 of a Scottish foot, was about 1.0016 imperial inches (about 25.44 mm). [50] See also
A .50 caliber handgun is a handgun firing a bullet measuring approximately 0.5 inches (12.7 mm) in diameter intended with the task of penetration. Historically, many black powder pistols fired bullets with diameters well above a half inch.
The specified maximum diameter of an unfired .50 BMG bullet is 0.510-inch (13.0 mm); while this appears to be over the .50 inch (12.7 mm) maximum allowed for non-sporting Title I firearms under the U.S. National Firearms Act, the barrel of a .50 BMG rifle is only .50 inch (12.7 mm) across the rifling lands and slightly larger in the grooves ...
Each increment was approximately 3.75 inches long and 1.25 inches in diameter. A pull-type friction primer, 0.88 inch in length, equipped with a loop lanyard, was designed to fit into the primer seat, or touch hole. [2] The mortar consisted of three main parts: the base plate, the bipod, and the barrel. It had a fixed elevation of about 40 degrees.
The 3-inch/50-caliber gun (spoken "three-inch fifty-caliber") in United States naval gun terminology indicates the gun fired a projectile 3 inches (76 mm) in diameter, and the barrel was 50 calibers long (barrel length is 3 in × 50 = 150 in or 3.8 m).