8×59mm Rb Breda
8×59mmRB Breda was an Italian heavy arms cartridge. It is unusual in that it is one of the small number of cartridges designed with a rebated rim, meaning the rim of the cartridge is smaller in diameter than the body of the cartridge. The "RB" in the designation stands for "rebated rim".
A Breda cartridge discovered buried in the ground
|Place of origin||Italy, Kingdom of Italy|
|Used by||Italy, Portugal|
|Wars||World War II, Portuguese Colonial War|
|Case type||rebated rim, bottleneck|
|Bullet diameter||8.36 mm (0.329 in)|
|Neck diameter||9.14 mm (0.360 in)|
|Shoulder diameter||10.80 mm (0.425 in)|
|Base diameter||12.49 mm (0.492 in)|
|Rim diameter||11.92 mm (0.469 in)|
|Rim thickness||1.40 mm (0.055 in)|
|Case length||58.84 mm (2.317 in)|
|Overall length||80.44 mm (3.167 in)|
|Primer type||large rifle|
History and Usage
8x59mmRB 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, Breda M38, and Fiat–Revelli Modello 1935. It was introduced in 1935 but is no longer in production today.
- Abbott, Peter, and Rodrigues, Manuel, Modern African Wars 2: Angola and Mozambique, 1961-1974, Osprey Publishing (1998), p. 18
- Johnson, Melvin M., Jr. (1944). Rifles and Machine Guns. New York: William Morrow & Company. p. 384.
- "8×59mm Breda, Italian Machine Gun Cartridge". ammo-one.com. Retrieved March 27, 2011.
- "8x59 mm. / 8 mm.Breda/ 8mm. FIAT/8 mm. Modelo 35/ DWM 591". municion.org. Retrieved February 14, 2013.