.277 Wolverine

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

Key specs

Type: Rifle
Origin: United States
Designer: Mark Kexel, Mad Dog Weapon Systems, Inc.
Introduced: 2014
Case type: rimless, bottleneck
Bullet diameter: 7.04 mm
Case length: 38.86 mm
Overall length: 57.40 mm
Typical bullet: 85 gr
Typical velocity: 853 m/s
Typical energy: 2,007 J
Parent case: 5.56×45mm NATO

Sources

Wikipedia: .277 Wolverine, Wikipedia