.338 Whisper

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

Key specs

Type: Rifle
Origin: United States
Designer: J.D. Jones
Case type: rimless, bottleneck
Bullet diameter: 8.59 mm
Case length: 38.08 mm
Overall length: 67.51 mm
Typical bullet: 200 gr
Typical velocity: 328 m/s
Typical energy: 698 J
Parent case: 7mm BR Remington

Sources

Wikipedia: .338 Whisper, Wikipedia