| 8 mm Roth-Steyr | ||
|---|---|---|
| Type | Pistol | |
| Place of origin | ||
| 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 | ||
| Bullet weight/type | Velocity | Energy |
| 116 gr (7.5 g) FMJ | 1,088 ft/s (332 m/s) | 302 ft·lbf (409 J) |
| 113 gr (7.3 g) FMJ | 1,070 ft/s (330 m/s) | 290 ft·lbf (390 J) |
| Source(s): "Textbook of Automatic Pistols" [1] | ||
The 8 mm 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]
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