.22 Long Rifle - Specifications

Specifications

Muzzle velocity (nominal):

• 40-grain (2.6 g) lead: 1,082 ft/s (330 m/s) .22 LR Subsonic
• 36-grain (2.3 g) copper plated lead: 1,328 ft/s (405 m/s) .22 LR High Velocity

Note: actual velocities are dependent on many factors, such as barrel length of a given firearm and manufacturer of a given batch of ammunition, and will vary widely in practice. The above velocities are typical.

According to the official C.I.P. guidelines, the .22 LR case can handle up to 30,000 psi copper crusher (measuring method crusher conformal) pressure. In C.I.P. regulated countries, every rifle cartridge combo has to be proofed at 125% of this maximum C.I.P. pressure to certify for sale to consumers.