6.5×57mmR Mauser

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

Key specs

Type: Rifle
Designer: Paul Mauser
Introduced: 1910
Case type: rimmed, bottleneck
Bullet diameter: 6.70 mm
Case length: 56.70 mm
Overall length: 82.00 mm

Sources

Wikipedia: 6.5×57mm Mauser, Wikipedia