.40 Lobaev Whisper

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

Key specs

Type: Rifle
Origin: Russia
Introduced: 2012
Case type: rimless, bottleneck
Bullet diameter: 10.40 mm
Case length: 44.20 mm
Typical bullet: 419 gr
Typical velocity: 310 m/s
Typical energy: 1,305 J

Sources

Wikipedia (ru): .40 Lobaev Whisper, Wikipedia