All modern metallic cartridges consist of a brass case that contains gunpowder capped off with a bullet. Rimfire and centerfire cartridges are both metallic cartridges; the difference is in how they ...

Rimfire and centerfire show up in gun shop and range talk, but their names hide a simple idea: where the firing pin strikes the cartridge. In a rimfire round the primer is inside the rim, so the gun ...

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Wildcat centerfire rifle cartridges are custom cartridges fired in rifles with matching, custom chambers. They are not loaded or sold by commercial ammo manufacturers and cannot safely be fired, if ...