9mm Japanese revolver

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9×22mmR Type 26
Type Revolver
Place of origin  Japan
Service history
In service 1893–1945
Used by Japan
Wars Russo-Japanese War, World War I,
Second Sino-Japanese War,
World War II
Production history
Designed 1893
Case type Tapered, rimmed
Bullet diameter 9.04 mm (0.356 in)
Neck diameter 9.47 mm (0.373 in)
Base diameter 9.83 mm (0.387 in)
Rim diameter 11.05 mm (0.435 in)
Rim thickness 0.75 mm (0.030 in)
Case length 21.89 mm (0.862 in)
Overall length 29.99 mm (1.181 in)
Primer type small pistol
Ballistic performance
Bullet mass/type Velocity Energy
9.7g(150gr) LRN 150m/s 111J(79ft/lbf)
9.7g(150gr) LRN 229m/s 252J(180ft/lbf)

The 9mm Japanese revolver was a cartridge similar to the .38 S&W. These cartridges are not interchangeable. The rim of the 9mm round is much thinner and the chamber pressure is lower than most .38 S&W loads.[1] The cartridge saw action with the Type 26 revolver in Russo-Japanese War, World War I, and World War II.


  1. ^ "Nambu World Ammunition & Reloading Page". Nambu World Ammunition & Reloading Page. Retrieved 9 July 2011.