4 Mm Caliber
This article lists firearm cartridges which have a bullet in the .172 in / 4.5mm caliber range.
- Length refers to the cartridge case length.
- OAL refers to the overall length of the cartridge.
All measurements are in mm (in).
Read more about 4 Mm Caliber: Rimfire Cartridges, Pistol Cartridges, Revolver Cartridges, Rifle Cartridges