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The 8mm Roth–Steyr is a military centerfire pistol cartridge adopted by the Austro-Hungarian cavalry in 1907 for the Repetierpistole M7—the first self-loading pistol adopted by a major military power. The cartridge headspaces on the mouth of the case. Ammunition was typically packaged in a unique ten-round charger. Austrian military production contained greased un-plated steel-jacketed bullets. A few private firms in Austria manufactured ammunition with cupro-nickel-jacketed bullets.[1]
| 8mm Roth–Steyr | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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| Type | Pistol | |||||||||||
| Place of origin | Austria-Hungary | |||||||||||
| Specifications | ||||||||||||
| Case type | Rimless, straight | |||||||||||
| Bullet diameter | 8.16 mm (0.321 in) | |||||||||||
| Neck diameter | 8.80 mm (0.346 in) | |||||||||||
| Base diameter | 8.85 mm (0.348 in) | |||||||||||
| Rim diameter | 8.85 mm (0.348 in) | |||||||||||
| Case length | 18.65 mm (0.734 in) | |||||||||||
| Overall length | 29.00 mm (1.142 in) | |||||||||||
| Ballistic performance | ||||||||||||
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| Source(s): "Textbook of Automatic Pistols" [1] | ||||||||||||