![12 mm caliber 12 mm caliber](/modules/owlapps_apps/img/errorimg.png)
This is a list of firearm cartridges which have bullets in the 12 millimetres (0.47 in) to 12.99 millimetres (0.511 in) caliber range.
Some measurements are in millimetres, while others are measured in inches.
Note: The .50 Sharps, Winchester, and US Government cartridges are actually of 13 mm caliber
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