.17-223

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

Key specs

Type: Rifle
Origin: United States
Case type: rimless, bottleneck
Bullet diameter: 4.37 mm
Case length: 44.70 mm
Overall length: 54.61 mm
Typical bullet: 25 gr
Typical velocity: 1,198 m/s
Typical energy: 1,186 J
Parent case: .223 Remington

Sources

Wikipedia: .17-223, Wikipedia