.400 Jeffery Nitro Express

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

Key specs

Type: Rifle
Origin: United Kingdom
Designer: W. J. Jeffery & Co.
Introduced: 1896
Case type: rimmed, bottleneck
Bullet diameter: 10.41 mm
Case length: 76.20 mm
Overall length: 95.25 mm
Typical bullet: 400 gr
Typical velocity: 640 m/s
Typical energy: 5,315 J
Parent case: .450/400 31/4 inch Black Powder Express

Sources

Wikipedia: .400 Jeffery Nitro Express, Wikipedia

.400 Jeffery Nitro Express · Armory Atlas