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The 7.62 mm designation refers to the internal diameter of the barrel at the lands (the raised helical ridges in rifled gun barrels). The actual bullet caliber is often 7.82 mm (0.308 in), although Soviet weapons commonly use a 7.91 mm (0.311 in) bullet, as do older British (.303 British) and Japanese (7.7×58mm Arisaka) cartridges.
The 5-inch (127 mm)/54-caliber (Mk 45) lightweight gun is a U.S. naval artillery gun mount consisting of a 5 in (127 mm) L54 Mark 19 gun on the Mark 45 mount. [1] It was designed and built by United Defense, a company later acquired by BAE Systems Land & Armaments, which continued manufacture.
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 ...
7 mm – length of a Paedophryne amauensis, the smallest-known vertebrate [108] 7.1 mm – length of a sunflower seed; 7.62×51mm NATO – common military ammunition size [109] 8 mm – width of old-format home movie film; 8 mm – length of a Paedocypris progenetica, the smallest-known fish [110]
As a result of the definitions above, the U.S. inch was effectively defined as 25.4000508 mm (with a reference temperature of 68 degrees Fahrenheit) and the UK inch at 25.399977 mm (with a reference temperature of 62 degrees Fahrenheit).
This slender barrel is said to be the root cause of the Type 62 machine gun's deficiencies: the barrel weight of the Type 62 machine gun is said to be approximately 2 kg (97.6 g per inch) with a barrel length of approximately 20.5 inches, [21] compared to the FN MAG, another 7.62 mm general purpose machine gun of the same period (24.8 inches, 3 ...
7.62×49mm T65E3 FAT1E3 (51 mm – 20° shoulder) Steel jacket lead core Frankford Arsenal 7.62×51mm T65E4 FAT1E3 (51 mm – 20° shoulder) Steel jacket lead core 145-grain (9.4 g) boat-tail bullet with a No. 10 ogive point Frankford Arsenal 7.62×51mm T65E5 FAT1E3 (51 mm – 20° shoulder) Steel jacket lead core boat-tail bullet
"The 9,3 x 62 mm Mauser is making a strong come back!". reloaders. Archived from the original on 7 February 2009 "The 9.3 x 62 Mauser". African Hunter. Archived from the original on 15 December 2005 "Česká Zbrojovka's CZ 550 FS 9.3x62". RGI Media. Archived from the original on 24 October 2021