Noun
centerfire (plural centerfires)
A type of firearm cartridge with the primer in a central primer cap.
Synonym: central fire
The primer charge is at the base of the cartridge, either within the rim (a " rimfire " cartridge) or in a small percussion cap embedded in the center of the base (a " centerfire " cartridge). Source: Internet
As a rule, centerfire cartridges are more powerful than rimfire cartridges, operating at considerably higher pressures than rimfire cartridges. Source: Internet
Some shooters desiring to reload for obsolete rimfire cartridges alter the firearm in question to function as a centerfire, which allows them to reload. Source: Internet
This is practically impossible with most centerfire cartridges. Source: Internet
Though less common, pistol-caliber conversions of centerfire rifles like the AR-15 are commercially available. Source: Internet