8×59mm RB Breda

8×59mm RB Breda was an Italian heavy arms cartridge.

History and Usage
8x59mm RB Breda was a caliber created for use by the Royal Italian Army in World War II. The cartridge was originally designed for use in anti-aircraft heavy machine guns like the Breda M37 and Breda M38. It was introduced in 1935 but is no longer in production today.