4.38×30mm Libra

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

Key specs

Type: Pistol
Origin: Czech Republic
Designer: Vlastimil Libra
Introduced: 2002
Case type: rimless, bottleneck
Bullet diameter: 4.40 mm
Case length: 30.10 mm
Overall length: 41.00 mm
Typical bullet: 45 gr
Typical velocity: 701 m/s
Typical energy: 716 J
Parent case: .22 Hornet

Sources

Wikipedia: 4.38×30mm Libra, Wikipedia