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303 british ammo
Its .303 British Service cartridge, often referred to as .303 or .303 British, was introduced by Britain as well as the Lee – Metford Rifle in 1889. The cartridge, as it was originally adopted, comprised of two15 grains, a round-nosed cupro nickel jacketed bullet that was surrounded by 71.5 grams of RFG2 Blackpowder. The powder charge was pressed into a round with both ends slightly rounded . Then, it was struck with a flashhole through the center. The charge was covered with a glazeboard over the charge to safeguard the bullet’s bottom. The initial version had a tiny boxer primer, and was officially branded Cartridge, S.A., Ball, Magazine Rifle Mark 1.C. It was a solid Case, .303inch. This round has a muzzle rate of around 1830 feet/second and an average chamber pressure of 19 ton for every square inch ( 303 british ammo )
Cordite was employed as a propellant since 1891 and the first cordite cartridge was that of the Cartridge S.A. Ball, magazine Rifle Cordite Mark 1, featured a 215 grain round with a cupro-nickel jacketed nose that gave an average muzzle speed of 70 feet per second, at the chamber pressure of around 17.5 tons for every square inch. Cordite comprised 58 percent Nitro-glycerine and 37% Nitro-cellulose, and 5 percent mineral Jelly and was typically formed into cords however, tubular, tape, cut and flaked cordite could also be used. Nitro-cellulose was initially used as propellant in .303 cartridge in 1894, but it wasn’t authorized for use until 1916. The propellant was not deemed to be as robust than cordite, which is more common in tropical regions and cordite was used as a propellant for military cartridges throughout the rest of the cartridge’s lifespan. The propellant nitro-cellulose was however extensively employed during the second and first world wars. The final .303 ball cartridges made in Radway Green in 1973 were filled with nitro-cellulose powder but not cordite. Cordite had previously been used in this .303 cartridge during the 60s.
The round nose bullets in the Black Powder Mark 1 and 2 and also of Cordite Mark 1 and 2 Cordite Mark 1 and 2 were viewed by a lot of servicemen to have less stopping impact than the lead .45 inch Martini bullet, which was the predecessor to the .303 cartridge. It was proven by experiences obtained during the Chitral and Tirah expeditions of 1897/98 in the North West Frontier of India in which the round nose round did not perform as well as other .303 inches Dum Dum rounds which were specifically issued in 1897. This bullet jacketed with cupro-nickle made in DumDum ammunition factory in India. Dum Dum ammunition factory in India and had an open lead nose that caused rapid expansion upon contact, and consequently a more severe impact on an object. In the wake of research to improve the efficacy in the use of ball ammunition, British Government used the 215 grain cupro-nickle jacketed hollow-pointed bullet in 1897. It was referred to as The cartridge S.A. Ball .303 inch Cordite Mark III. Similar hollow point hollow point jacketed bullets were also used to make Mark IV and V rounds. Mark IV and V rounds. These hollow and soft pointed bullets were however deemed to be in violation and in violation of St Petersburg Declaration and the Hague Convention, in 1903 they were taken out of use and later only used to practice shooting. It was the Mark VI round was introduced in 1904, sporting the jacketed 215 grain round nosed bullet that was similar with Mark II. It was similar to Mark II bullet but with thinner jacket. 303 british ammo