centre-fire cartridge

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In cartridge
…from the rim to the centre of the cartridge, where a percussion cap was inserted. The cartridge with a percussion cap, or cup, centred on the base of the cartridge—centre-fire—predominated in all larger calibres, but rimfire cartridges remain popular in small-bore, low-powered ammunition, e.g., .22 calibre. Smokeless nitrocellulose powder replaced…
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