Special thanks to Potomac Ltd. for sponsoring this test in full. === Cartridge : 22 Magnum CCI 40gr 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 at 10 feet distance into a bare gelatin block. Bullet impacted at 1090 ft/sec, penetrated to 14.3" and was recovered undeformed with a weight of 40.3gr, a length of 0.455" and an average diameter of 0.224". Bullet penetrated to 2.0" depth when it turned on its side and continued in this orientation until 5.8" depth, at which time the bullet returned to point-forward travel until the end of the penetration.