Center-fire cartridge Meaning, Definition & Usage

Definitions
  1. a cartridge in which the fulminate occupies an axial position usually in the center of the base of the capsule, instead of being contained in its rim. In the Prussian needle gun the fulminate is applied to the middle of the base of the bullet. Rim-fire cartridge, a cartridge in which the fulminate is contained in a rim surrounding its base.

Webster 1913