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The .22 Long Rifle (.22 LR for short) is a small-caliber, rimfire pistol and rifle cartridge.


Introduced in 1887 by the J. Stevens Arms & Tool Company, the .22 Long Rifle was based on the case of the .22 Long cartridge combined with the 40 grain bullet of the .22 Extra Long cartridge. It originated from the Flobert BB cap of 1845 through the .22 Smith & Wesson cartridge of 1857.

Over the years, it gained popularity for varmint shooting, sports shooting, plinking, inexpensive firearms training, and small game hunting.

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