Cartridge : Various .38 Special JHPs Firearm : .38 Special revolver with 1 7/8" barrel length Calibration : All depths corrected (From 9.2cm @ 556 ft/sec) Shot 1 - 125gr +P Speer Gold Dot. Bullet penetrated to 9.5" and expanded to 0.511" average diameter. Shot 2 - 130gr +P Winchester SXT. Shot penetrated to 10.6" and expanded to 0.560" average diameter. Shot 3 - 110gr Federal Personal Defense Hydra-Shok. Bullet penetrated to 12.0" depth. Shot 4 - 129gr +P Federal Hydra-Shok. Shot penetrated to 7.4" and expanded to 0.541". Shot 5 - 110gr +P+ Winchester Ranger SJHP. Shot penetrated to 5.6" and expanded to 0.612" average diameter. Talk with other shooters about this test on The High Road.org : www.thehighroad.org