7.92×33mm Kurz
The 7.92×33mm Kurz (designated as the 7.92 x 33 kurz by the C.I.P.) is a rimless bottlenecked intermediate rifle cartridge (German: Mittelpatrone) developed in Nazi Germany prior to and during World War II, specifically intended for development of the Sturmgewehr 44 (assault rifle). The ammunition is also referred to as 7.9mm Kurz (German: Kurz meaning "short"), 7.9 Kurz, 7.9mmK, or 8×33 Polte. The round was developed as a compromise between the longer 7.92×57mm full-power rifle cartridge and the 9×19mm Parabellum pistol cartridge.
| 7.92×33mm Kurz | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
German 7.92×33mm Kurz m.E. — mild steel cored projectile round | ||||||||||||
| Type | Rifle | |||||||||||
| Place of origin | Germany | |||||||||||
| Service history | ||||||||||||
| In service | 1942–present | |||||||||||
| Used by | Nazi Germany, Germany | |||||||||||
| Wars | World War II Vietnam War Syrian Civil War | |||||||||||
| Production history | ||||||||||||
| Designer | Polte ammunition works, Magdeburg | |||||||||||
| Designed | 1938 | |||||||||||
| No. built | 822,000,000 (1942–1945) | |||||||||||
| Specifications | ||||||||||||
| Parent case | 7.92×57mm | |||||||||||
| Case type | Rimless, bottleneck | |||||||||||
| Bullet diameter | 8.22 mm (0.324 in) | |||||||||||
| Land diameter | 7.89 mm (0.311 in) | |||||||||||
| Neck diameter | 9.10 mm (0.358 in) | |||||||||||
| Shoulder diameter | 11.40 mm (0.449 in) | |||||||||||
| Base diameter | 11.94 mm (0.470 in) | |||||||||||
| Rim diameter | 11.95 mm (0.470 in) | |||||||||||
| Rim thickness | 1.30 mm (0.051 in) | |||||||||||
| Case length | 33.00 mm (1.299 in) | |||||||||||
| Overall length | 48.00 mm (1.890 in) | |||||||||||
| Case capacity | 2.22 cm3 (34.3 gr H2O) | |||||||||||
| Rifling twist | 240 mm (1 in 9.45 inch) | |||||||||||
| Primer type | Berdan | |||||||||||
| Maximum pressure (C.I.P.) | 340.00 MPa (49,313 psi) | |||||||||||
| Ballistic performance | ||||||||||||
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| Test barrel length: 419 mm Source(s): "Cartridges of the World" | ||||||||||||
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