.500/450 Magnum Black Powder Express
The .500/450 3+1⁄4-inch Magnum Black Powder Express, is a centerfire rifle cartridge developed in Britain.
| .500/450 Magnum Black Powder Express | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Type | Rifle | |||||||||||
| Place of origin | United Kingdom | |||||||||||
| Production history | ||||||||||||
| Produced | 1870s | |||||||||||
| Specifications | ||||||||||||
| Parent case | .500 Black Powder Express | |||||||||||
| Case type | Rimmed, bottleneck | |||||||||||
| Bullet diameter | .458 in (11.6 mm) | |||||||||||
| Neck diameter | .479 in (12.2 mm) | |||||||||||
| Shoulder diameter | .500 in (12.7 mm) | |||||||||||
| Base diameter | .570 in (14.5 mm) | |||||||||||
| Rim diameter | .644 in (16.4 mm) | |||||||||||
| Case length | 3.25 in (83 mm) | |||||||||||
| Overall length | 3.91 in (99 mm) | |||||||||||
| Case capacity | 141.4 gr H2O (9.16 cm3) | |||||||||||
| Primer type | Kynoch # 40 | |||||||||||
| Ballistic performance | ||||||||||||
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| Source(s): "Cartridges of the World" | ||||||||||||
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