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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.
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 .
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)
.303 Mk IIC SAA Ball: Calibre.303 British: Action: Martini Falling Block: Rate of fire: 10 rounds per minute: Muzzle velocity: 2,200 feet per second (670 m/s) Effective firing range: 1,000 yards (910 m) Maximum firing range: 2,000 yards (1,800 m) Feed system: Single shot: Sights: Sliding ramp rear sights, fixed-post front sights
Components were made in New Zealand and Australia, shipped to England, and then assembled at the Greenwood & Batley plant in Leeds. The finished cartridges were then shipped back to Australia and New Zealand for sale. It later expanded in other business directions from 1925 on. .303 British cartridge (Mk VII) FMJ, manufactured by CAC in 1945
An intermediate cartridge is a rifle/carbine cartridge that has significantly greater power than a pistol cartridge but still has a reduced muzzle energy compared to fully powered cartridges (such as the .303 British, 7.62×54mmR, 7.65×53mm Mauser, 7.92×57mm Mauser, 7.7×58mm Arisaka, .30-06 Springfield, or 7.62×51mm NATO), and therefore is ...