.450 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: 11.63 mm
Case length: 82.55 mm
Overall length: 104.39 mm
Typical bullet: 270 gr
Typical velocity: 602 m/s
Typical energy: 3,173 J

Cartridges based on it 2

.450 Nitro Express .450/400 31/4 inch Black Powder Express

Sources

Wikipedia: .450 Black Powder Express, Wikipedia