Engineering:9×23mm Steyr
9×23mm Steyr[1] | ||||||||||||||||
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Type | Pistol | |||||||||||||||
Place of origin | Austria-Hungary | |||||||||||||||
Service history | ||||||||||||||||
Used by | Austro-Hungarian Army | |||||||||||||||
Production history | ||||||||||||||||
Designer | Œ.W.G. | |||||||||||||||
Produced | 1911 | |||||||||||||||
Specifications | ||||||||||||||||
Case type | Rimless, straight | |||||||||||||||
Bullet diameter | 9.03 mm (0.356 in) | |||||||||||||||
Neck diameter | 9.62 mm (0.379 in) | |||||||||||||||
Base diameter | 9.70 mm (0.382 in) | |||||||||||||||
Rim diameter | 9.70 mm (0.382 in) | |||||||||||||||
Rim thickness | 1.25 mm (0.049 in) | |||||||||||||||
Case length | 23.20 mm (0.913 in) | |||||||||||||||
Overall length | 32.99 mm (1.299 in) | |||||||||||||||
Primer type | Small pistol | |||||||||||||||
Ballistic performance | ||||||||||||||||
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Test barrel length: 128 mm (5.0 in) Source(s): 1. Hornady; 2. Fiocchi; 3. Hirtenberger |
The 9×23mm Steyr, also known as 9mm Steyr, is a centerfire pistol cartridge originally developed for the Steyr M1912 pistol.
History
Adopted in 1912, the 9mm Steyr 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 9×25mm Mauser. When the Austrian Army was incorporated in the Wehrmacht in 1938 following the Anschluss, many Steyr M1912 pistols and MP 34 submachine guns were rebarrelled to 9×19mm Parabellum for standardization purposes.
Design
The cartridge headspaces on the mouth of the case. Its performance is close to that of the .38 ACP. Unrelated to the modern 9×23mm Winchester, it is similar to the 9×23mm Largo cartridge in performance, but their dimensions are just different enough to make them non-interchangeable.[3]
Handloading
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For handloading, reloadable Boxer-primed cartridge cases can be made from 5.56×45mm NATO brass. This requires inside neck-reaming, as such a conversion would otherwise leave unacceptably thick mid-to-rear case walls from the original cartridges to form the mouths of the new, shortened cases. At least one commercial source apparently can produce such a forming die set, complete with reamer. Loading data would be much like .38 ACP.
Gallery
Left to right: 9×23mm Largo, 9×19mm Parabellum, 9×23mm Winchester, and 9×23mm Steyr
References
- ↑ "9mm Largo vs. Others". http://www.9mmlargo.com/cartridge/largo_vs_others.htm.
- ↑ *Wilson, R. K. Textbook of Automatic Pistols, p.235. Plantersville, S.C.: Small Arms Technical Publishing Company, 1943.
- ↑ Jeff, John (August 2009). "Q&A". Guns Magazine. p. 35.
Original source: https://en.wikipedia.org/wiki/9×23mm Steyr.
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