.25 Stevens

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

Key specs

Type: Rimfire
Origin: United States
Introduced: 1898
Case type: rimmed, straight
Bullet diameter: 6.38 mm
Case length: 28.58 mm
Overall length: 35.43 mm
Typical bullet: 65 gr
Typical velocity: 360 m/s
Typical energy: 282 J

Sources

Wikipedia: .25 Stevens, Wikipedia