Special thanks to Potomac Ltd. for sponsoring this test in full. === Cartridge : .22 Magnum CCI 30gr Maxi-Mag HP Firearm : Taurus .22 Magnum revolver with 2.0" barrel length Block calibration : 8.1cm @ 594 ft/sec and 33.7 degrees Fahrenheit Single shot fired from 10 feet distance into a bare gelatin block. Shot impacted at 1301 ft/sec and penetrated to 14.3". Bullet yawed at 4.1" depth and continued sideways travel until it began base-forward travel at 5.7" penetration. Bullet was recovered at 0.224" average diameter, 0.355" length and 29.9gr weight.