Cartridge : .45ACP Hornady 230 grain +P XTP (part # 9096) Firearm : Recoil-operated handgun with 5.0" barrel length Calibration : All depths corrected (From 9.1cm @ 589 ft/sec) Shot 1 - 12.7" penetration, 881 ft/sec impact velocity, 0.736" average diameter. Shot 2 - 11.9" penetration (exited side of block), 873 ft/sec impact velocity, 0.722" average diameter. Shot 3 - 12.4" penetration, 885 ft/sec impact velocity, 0.728" diameter. Shot 4 - 12.7" penetration, 899 ft/sec impact velocity, 0.714" diameter. Shot 5 - 13.1" penetration, 887 ft/sec impact velocity, 0.715" diameter.