.21 Sharp

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

Key specs

Type: Rimfire
Origin: United States
Designer: Winchester Ammunition
Introduced: 2024
Case type: rimmed, straight
Bullet diameter: 5.35 mm
Case length: 15.57 mm
Overall length: 24.51 mm
Typical bullet: 25 gr
Typical velocity: 533 m/s
Typical energy: 231 J
Parent case: .22 Long Rifle

Sources

Wikipedia: .21 Sharp, Wikipedia