20×125mm M 97

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

Key specs

Type: Rifle
Case type: rimless, bottleneck
Bullet diameter: 20.39 mm
Case length: 124.00 mm
Overall length: 194.70 mm
Typical bullet: 2458.4 gr
Typical velocity: 865 m/s
Typical energy: 59,596 J

Sources

Wikipedia (de): 20 × 125 mm M 97, Wikipedia