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The .303 British (designated as the 303 British by the C.I.P. [2] and SAAMI [3]) or 7.7×56mmR, is a .303-inch (7.7 mm) calibre rimmed tapered bottleneck centerfire rifle cartridge. The .303-inch bore diameter is measured between rifling lands as is the common practice in Europe which follows the traditional black powder convention.
In December of that year the British Air Ministry purchased the design. However, as the bullet had to be made by hand rather than mass-produced, Major C. Aubrey Dixon of the British Royal Arsenal at Woolwich developed a greatly improved bullet with similar incendiary capabilities. [5] This was adopted by British forces as the 0.303 Incendiary B ...
The Royal Ordnance Factory was established in 1940 to produce ammunition, and was acquired by BAE Systems Global Combat Systems in 1987. [1]On the 20 August 2008 the Ministry of Defence announced a £2bn contract with BAE Systems to supply British forces with small arms and medium calibre ammunition, [2] guaranteeing production at the Radway Green site until at least 2023.
October 2024) (Learn how and when to remove this message) In warfare, high-explosive incendiary ( HEI ) is a type of ammunition specially designed to impart energy and therefore damage to its target in one or both of two ways: via a high-explosive charge and/or via its incendiary (fire-causing) effects.
An early make of incendiary ammunition was the British De Wilde used in WW I against Zeppelins. The firework manufacturer Brocks also made an incendiary round. Both these types were in .303 British, and intended to ignite the hydrogen gas in the airships. —Preceding unsigned comment added by 213.40.254.20 15:20, 18 May 2009 (UTC)
The .303/22, sometimes known as the .22/303, is a wildcat centrefire rifle cartridge based on the .303 British, necked down to fire a .224 projectile, originating in Australia in the 1930s as a cartridge for sporterised rifles, particularly on the Lee–Enfield action. Similar versions also appeared in Canada around the same time. [3]
His proposal for dealing with zeppelin bombers was adopted in 1916 as the Cartridge S.A. Ball .303 inch Pomeroy Mark I. It was a standard .303 British cartridge loaded with a 155-grain (10.0 g) cupronickel -jacketed lead bullet including a hollow copper tube filled with 15 grains (0.97 g) of 73% dynamite .
Cordite was used initially in the .303 British, Mark I and II, standard rifle cartridge between 1891 and 1915. [not verified in body] Shortages of cordite in World War I led to the creation of the "Devil's Porridge" munitions factory (HM Factory, Gretna) on the English–Scottish border, which produced around 800 tonnes of cordite per week. The ...