Definition of "rimfire" [rimfire]

• 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. (noun)

Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License

• "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."
• "Thanks Wm. I sent in my NRA app form & fee today just to stand with you guys ... even though as it turns out HR1022 exempts. 22cal rimfire from the magazine capacity limit."
• "The first Marlin rimfire to be offered in the popular .17 HMR, the 917 is fed by a seven-round magazine."