12.7x81SR Breda

The 12.7x81SR Breda cartridge was developed during inter-war period as an export version of the .5 Vickers heavy machine gun load. It was used in a number of Italian and Japanese heavy machine guns, and became oboslete after the WW2.


Designation Bullet weight, g Muzzle velocity, m/s Muzzle energy, J Comments
12.7x81SR 36.5 760 10 540