9×23mm Steyr

The 9×23mm Steyr, also known as 9mm Steyr, is a centerfire pistol cartridge originally developed for the Steyr M1912 pistol.

9×23mm Steyr
TypePistol
Place of originAustria-Hungary
Service history
Used byAustro-Hungarian Army
Production history
DesignerŒ.W.G.
Produced1911
Specifications
Case typeRimless, straight
Bullet diameter9.03 mm (0.356 in)
Neck diameter9.62 mm (0.379 in)
Base diameter9.70 mm (0.382 in)
Rim diameter9.70 mm (0.382 in)
Rim thickness1.25 mm (0.049 in)
Case length23.20 mm (0.913 in)
Overall length32.99 mm (1.299 in)
Primer typeSmall pistol
Ballistic performance
Bullet mass/type Velocity Energy
115 gr (7 g) FMJ 1,025 ft/s (312 m/s) 268 ft⋅lbf (363 J)
115 gr (7 g) FMJ 1,080 ft/s (330 m/s) 298 ft⋅lbf (404 J)
115 gr (7 g) FMJ 1,230 ft/s (370 m/s) 388 ft⋅lbf (526 J)
Test barrel length: 128 mm (5.0 in)
Source(s): 1. Hornady; 2. Fiocchi; 3. Hirtenberger
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