Product Number: S22LRTSUB\r\nSpecifically designed to reliably function semi-automatic rifles and pistols at subsonic velocities. Subsonic velocities offer low noise in both suppressed and non-suppressed firearms.\r\nSpecifications\r\n\r\nCaliber: 22LR\r\nGrains: 45\r\nBullet type: Black copper plated round nose\r\nVolume: 400 rounds\r\nVelocity – Bolt action rifles: 20\