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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 ...
Firstly, cordite was not readily available except sealed in ammunition which was controlled issue. To remove the bullet from a .303 cartridge requires a minimum of 60 pounds pull with very little to grip on. Cordite is a very hard materiel and not easily chewed.(I have tried) and is almost totally insoluble in water (and hence body fluids).
This means cartridges using cordite can be made smaller, or they can produce a higher pressure at the same cartridge size. The development of smokeless powder revolutionized the rifle. One version of this smokeless powder, cordite, allowed higher pressures to be developed, thereby increasing the velocity and performance of rifle cartridges.
Close-up of Cordite filaments in a .303 British rifle cartridge (manufactured in 1964) Britain conducted trials on all the various types of propellant brought to its attention, but was dissatisfied with them all and sought something superior to all existing types.
The .400 Purdey is a rimmed straight walled centerfire rifle cartridge intended for use in single shot and double rifles.It fires a bullet of .405 inches (10.3 mm) diameter weighing 230 grains (15 g), driven by 47 grains (3.0 g) of cordite, at a listed speed of 2,050 feet per second (620 m/s).
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Today, loaded with modern smokeless powders, the .416 Rigby is considered a big-bore cartridge. The Rigby was a large, voluminous cartridge in comparison to most magazine rifle cartridges of its time, which had used cordite as a propellant and operated at medium pressures.