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For example, because Pyrodex, a common black powder substitute, is less dense than black powder, a measurement by weight on a scale of 60 grains of mass of Pyrodex would be near a 30 percent overload. Volume equivalence is a benefit in loading muzzleloading firearms, traditionally loaded using volumetric measures.
[3] [4] Higher velocities may be obtained using special cartridges drilled out to accept shotgun primers, which provide higher velocities, and some fast draw competitions allow the use of a small amount of black powder or black powder substitute to provide higher velocities for certain events. Commercially produced wax bullets are also ...
[3]: 287–289 Nitrocellulose produces greater volumes of gas per volume of solid than black powder does, so nitrocellulose bulk powders were less dense than later smokeless powders. Nitrocellulose bulk powders designed for early straight-sided black powder rifle cartridges like the .32-40 and .38-55 were friable and easily crumbled. The ...
Owing to the large market of antique and replica black-powder firearms in the US, modern black powder substitutes like Pyrodex, Triple Seven and Black Mag3 [118] pellets have been developed since the 1970s. These products, which should not be confused with smokeless powders, aim to produce less fouling (solid residue), while maintaining the ...
Black powder cartridge refers to firearms ammunition from the period after the introduction of metallic cartridge, but prior to the wide adoption of smokeless powder.These cartridges (frequently but not always single-shot) had adopted the new technology of complete cartridges including a brass casing which held the powder charge, bullet, and primer.
It was initially introduced as a black-powder cartridge in 1882 for small-game, varmint hunting, and deer. [5] [6] Colt produced a single-action revolver chambered for this cartridge a few years later. [7] The name .32-20 refers to the 32 caliber bullet of .312-inch-diameter (7.9 mm) and standard black-powder charge of 20 grains (1.3 g).
The cartridge was originally designed as a deer stalking round with a 260 gr (17 g) bullet, although later a 530 gr (34 g) loading was produced for target shooting. [ 1 ] [ 2 ] The .500/450 No. 1 Nitro for Black was the same cartridge loaded with mild loadings of cordite , carefully balanced to replicate the ballistics of the black powder version.
It also required lesser volumes of gunpowder and allowed a smaller caliber, thus lighter bullets, so a soldier could carry more ammunition. The French Army quickly introduced a new rifle, the Lebel Model 1886 firing a new 8 mm calibre cartridge, to exploit these benefits. "Also black powder leaves a heavy residue in the bore.