.30 Newton

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

Key specs

Type: Rifle
Origin: United States
Designer: Charles Newton
Introduced: 1913
Case type: rimless
Bullet diameter: 7.82 mm
Case length: 64.01 mm
Overall length: 85.09 mm
Typical bullet: 150 gr
Typical velocity: 978 m/s
Typical energy: 4,671 J

Sources

Wikipedia: .30 Newton, Wikipedia