The 230 grain, .45 ACP is a direct descendant of the cartridege developed for use in both Scofield and Colt revolvers. The military criteria was " To founder a horse " or in modern terms wound it sufficiently to break a charge. The average wieght of a 19th century cavalry mount was @ 900 lbs of a creature designed for flight instead of fight given the options. I honestly haven't read much in survival literature about shooting horses; be they seahorses from a liferaft, unicorns seen while in psychological trauma or being attacked by 3rd world invading armies in some survivalist novella. We've had numerous handgun posts in the past. Here we go again <img src="/images/graemlins/confused.gif" alt="" />