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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 ...
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.
Actual bullet diameter was reduced to the current 0.500 inches (12.7 mm) rather than the original 0.510 inches (13.0 mm) [6] – thus the noticeably tapered case. Recoil of the .50 AE in the Desert Eagle pistol is substantial, although only marginally more severe than the .44 Magnum, as the automatic mechanism and weight of the gun smooth the ...
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
Pershing asked the Army Ordnance Department to develop a machine gun with a caliber of at least 0.50 inches (12.7 mm) and a muzzle velocity of at least 2,700 feet per second (820 m/s). [18] Around July 1917, John Browning started redesigning his .30-06 M1917 machine gun for a larger and more powerful round. Winchester worked on the cartridge ...
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
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 ...