12 mm caliber

This is a list of firearm cartridges which have bullets in the 12 mm to 12.99 mm caliber range.


 * Length refers to the cartridge case length.
 * OAL refers to the overall length of the cartridge.
 * Bullet refers to the diameter of the bullet.

Some measurements are in millimetres, while others are measured in inches.

Rifle cartridges
Note: The .50 Sharps, Winchester, and US Government cartridges are actually of 13 mm caliber