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8×59mm RB Breda
Type Machine gun
Place of origin 22x20px 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
Case type Rimless, bottleneck
Bullet diameter 8.36 mm (Bad rounding hereScript error in)
Neck diameter 9.14 mm (Bad rounding hereScript error in)
Shoulder diameter 10.80 mm (Bad rounding hereScript error in)
Base diameter 12.49 mm (Bad rounding hereScript error in)
Rim diameter 11.92 mm (Bad rounding hereScript error in)
Rim thickness 1.40 mm (Bad rounding hereScript error in)
Case length 58.84 mm (Bad rounding hereScript error in)
Overall length 80.44 mm (Bad rounding hereScript error in)

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

History and UsageEdit

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. 1.0 1.1 Abbott, Peter, and Rodrigues, Manuel, Modern African Wars 2: Angola and Mozambique, 1961-1974, Osprey Publishing (1998), p. 18
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