12 mm caliber

This article lists firearm cartridges which have a bullet in the 12 mm to 13 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 mm, others are in calibers, which are measured in inches.

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