.297/230 Morris Long

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

Key specs

Type: Rifle
Case type: rimmed, bottleneck
Bullet diameter: 5.72 mm
Case length: 20.32 mm
Overall length: 27.94 mm
Typical bullet: 37 gr
Typical velocity: 366 m/s
Typical energy: 160 J

Sources

Wikipedia: .297/230 Morris, Wikipedia