9×23mm Steyr

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This is an old revision of this page, as edited by 2601:1c2:0:9670:5577:3cd2:eab4:ad7c (talk) at 00:20, 3 June 2017 (Removed part about turning 5.56 cases into cases for 9mm styer, in which citation was needed. It has been tested and the cases are slightly too narrow to accept the 9mm bullet. To prevent waste of time and possible injury, this part has been removed.). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

9×23mm Steyr [1]
TypePistol
Place of origin Austria-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

The 9mm Steyr is a centerfire pistol cartridge originally developed for the Steyr M1912 military pistol. Adopted in 1912, this was the service ammunition for most branches of the military in Austria-Hungary during World War I and remained the service ammunition for Austria, Romania and Chile between the World Wars.[2] Some MP 34 submachine guns were also issued in this caliber in addition to 9mm Mauser. When the Austrian Army was incorporated in the Wehrmacht in 1938 following the Anschluss, many M1912 pistols and MP 34 submachine guns were rebarrelled to 9×19mm Parabellum for standardization purposes.

It is similar to the 9×23mm Largo cartridge in performance, but their dimensions are just different enough to make them non-interchangeable.[3] The cartridge headspaces on the mouth of the case. Its performance is close to that of the .38 ACP. It is unrelated to the modern 9×23mm Winchester.

Steyr Hahn M1912 show with 9×23mm Steyr ammunition on stripper clips.


Left to right: 9×23mm Largo, 9×19mm Parabellum, 9×23mm Winchester, and 9×23mm Steyr.

References

  1. ^ "9mm Largo vs. Others". Retrieved 2009-07-10.
  2. ^ *Wilson, R. K. Textbook of Automatic Pistols, p.235. Plantersville, S.C.: Small Arms Technical Publishing Company, 1943.
  3. ^ Jeff, John (August 2009). "Q&A". Guns Magazine. p. 35.
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