noun. Type of firearm cartridge where the primer is in the back rim, rather than a central primer cap. They are cheap to produce but can not be reloaded with powder.

"It's difficult to single out one (1) firearm; however, at this writing (and based on frequency of use), my favorite rimfire is a Ruger M77/22M in .22 Magnum, my favorite centerfire is a Winchester Model 70 Lightweight Carbine in .250 Savage, my favorite shotgun is a Rem 870 12 gauge, and my favorite sidearm is a Kimber Custom II. 45ACP."

centerfire