What Is A Gun Cartridge

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What Is A gun Cartridge?
A cartridge (also called a round of ammunition) is the completed product consisting of a metalcasing(usually brass), gunpowder, primer and bullet or shot for small firearms. Cartridges are sized and made to fit precisely into the firing chamber of a gun.

9mm Cartridge

A bullet casing or case is the metal cylindrical container portion of a cartridge (round of ammunition) that contains a bullet, gunpowder and primer Bullet casings are usually made of brass and are sized and shaped in accordance with the caliber and weapon used.

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Bullet casing and the primer is seated at the bottom (in the center where the lettering is)


With regard to firearms, a primer is a device used for containing an explosive shock sensitive compound that may be exploded by percussion or other means for the purpose of igniting a charge of gun powder.

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Left: Rimfire Right: Centerfire

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