Special thanks to Shadan7 (THR) for sponsoring this test. Cartridge - Speer Lawman 90gr Frangible (Part # 57905) Firearm - Recoil-operated handgun with 4.0" barrel length Block calibration - All depths corrected (From 10.7cm @ 610 ft/sec) Single shot fired to the center of a 5"x5"x16" gelatin block from a distance of 10 feet. Impacted the block at 1353 ft/sec. Bullet penetrated the block nose-forward and apparently experienced slight yawing from 2.0" to 6.5" penetration depth, at which point the bullet apparently regained stability and continued on to penetrate 13.4" of gelatin, one 12" bullet arresting box and was recovered in a ball of polyester fabric ~ 10 yards behind the gelatin block. No fragmentation or deformation was present.