.500 Black Powder Express

Photo coming soon: side view on a transparent background, with author and license.

Key specs

Type: Rifle
Origin: United Kingdom
Case type: rimmed, straight
Bullet diameter: 12.95 mm
Case length: 76.45 mm
Overall length: 86.11 mm
Typical bullet: 440 gr
Typical velocity: 579 m/s
Typical energy: 4,786 J

Cartridges based on it 2

.500 Nitro Express .500/450 Magnum Black Powder Express

Sources

Wikipedia: .500 Black Powder Express, Wikipedia