8×59mm RB Breda

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8×59mm RB Breda
8x59 Breda.jpg
A dug up Breda cartrdge.
Type Machine gun
Place of origin Italy Kingdom of Italy
Service history
In service 1935–1960s
Used by Italy, Portugal[1]
Wars World War II, Portuguese Colonial War[1]
Production history
Designed 1935
Produced 1935–1960s
Parent case unknown
Case type Rimless, 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
Ballistic performance
Bullet mass/type Velocity Energy
208 gr (13 g) 2,600 ft/s (790 m/s) 4056J
Source(s): [2]

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

History and Usage[edit]

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.


  1. ^ a b Abbott, Peter, and Rodrigues, Manuel, Modern African Wars 2: Angola and Mozambique, 1961-1974, Osprey Publishing (1998), p. 18
  2. ^ Johnson, Melvin M., Jr. (1944). Rifles and Machine Guns. New York: William Morrow & Company. p. 384.