.500 Black Powder Express
The .500 Black Powder Express was a series of Black powder cases of varying lengths that emerged in the 1860s.
| .500 Black Powder Express | ||||||||
|---|---|---|---|---|---|---|---|---|
| Type | Rifle | |||||||
| Place of origin | United Kingdom | |||||||
| Production history | ||||||||
| Designed | 1860s | |||||||
| Specifications | ||||||||
| Case type | Rimmed, straight | |||||||
| Bullet diameter | .510 in (13.0 mm) | |||||||
| Neck diameter | .535 in (13.6 mm) | |||||||
| Base diameter | .580 in (14.7 mm) | |||||||
| Rim diameter | .660 in (16.8 mm) | |||||||
| Rim thickness | .055 in (1.4 mm) | |||||||
| Case length | 3.01 in (76 mm) | |||||||
| Overall length | 3.39 in (86 mm) | |||||||
| Primer type | Kynoch # 31A | |||||||
| Ballistic performance | ||||||||
| ||||||||
| Test barrel length: 28 Source(s): Barnes & Amber and Kynoch | ||||||||
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