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The British Army formally adopted the Vickers gun as its standard machine gun under the name Gun, Machine, Mark I, Vickers, .303-inch on 26 November 1912. [20] There were shortages when the First World War began, and the British Expeditionary Force was still equipped with Maxims when sent to France in 1914. [ 21 ]
Originally (from 1889) Martini–Henry conversions used Metford rifled barrels (and were known as Martini–Metford rifles), which were more than suitable for the first .303 cartridges, which used black powder as a propellant but wore out very quickly when fired with cordite/nitrocellulose cartridges (introduced in 1895). In 1895, the Enfield ...
A variant to use the .303 round was produced in Britain at the Coventry factory as the "Hotchkiss Mark I" and issued to some cavalry regiments. The MkI* variant, with the wooden stock replaced with a pistol grip, was widely used in British tanks during World War I. [3]
The measurement .303 inches (7.7 mm) is the nominal size of the bore measured between the lands which follows the older black powder nomenclature. Measured between the grooves, the nominal size of the bore is .311 inches (7.9 mm). Bores for many .303 military surplus rifles are often found ranging from around .309 to .318 inches (7.8–8.1 mm ...
The Browning .303 four-gun FN-20 tail gun turret on an Avro Lancaster The Browning was adopted by the Royal Air Force as a replacement for the .303 Vickers machine gun and manufactured by Vickers Armstrong and BSA to fire the British .303 inch (7.7 mm) round and named "Browning .303 Mk II" in British Service.
The Ross rifle is a straight-pull bolt action rifle chambered in .303 British that was produced in Canada from 1903 until 1918. [1]The Ross Mk.II (or "model 1905") rifle was highly successful in target shooting before World War I, but the close chamber tolerances, lack of primary extraction and length made the Mk.III (or "1910") Ross rifle unsuitable for the conditions of trench warfare ...
The rifle was designed with an iron sight line consisting of rear receiver aperture battle sight calibrated for .303 British Mk VII ball ammunition at 300 yd (274 m) with an additional ladder aperture sight that could be flipped up and was calibrated for 200–1,000 yd (183–914 m) in 100 yd (91 m) increments and 1,000–1,650 yd (914–1,509 ...
From the late 1940s, legislation in New South Wales, Australia, heavily restricted .303 British calibre (and other "military calibre") rifles, [76] so large numbers of SMLEs were converted to "wildcat" calibres such as .303/25, .303/22, .303/270 and the popular 7.7×54mm round.