.35 Whelen

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

Key specs

Type: Rifle
Origin: United States
Designer: Col. Townsend Whelen, James Howe
Introduced: 1922
Case type: rimless, bottleneck
Bullet diameter: 9.09 mm
Case length: 63.35 mm
Overall length: 84.84 mm
Typical bullet: 180 gr
Typical velocity: 903 m/s
Typical energy: 4,759 J
Parent case: .30-06 Springfield

Sources

Wikipedia: .35 Whelen, Wikipedia