.369 Nitro Express

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

Key specs

Type: Rifle
Origin: United Kingdom
Designer: James Purdey & Sons
Introduced: 1922
Case type: rimmed, bottleneck
Bullet diameter: 9.52 mm
Case length: 68.33 mm
Overall length: 91.44 mm
Typical bullet: 270 gr
Typical velocity: 770 m/s
Typical energy: 5,172 J

Sources

Wikipedia: .369 Nitro Express, Wikipedia