Sure sounds like a gut shot to me. But I have heard of the same circumstances Matt has spoke of, never had it happen to me but is very likely. You did mention you hit behind the shoulder. so I am suspecting you did catch some of the guts. Let u sknow how you make out. I always hate to hear when someone loses a wounded deer.[:@] But sometimes no matter how hard your look sometimes you may never find it. Good luck with your search.