I wouldnt take the shot. Its a low percentage shot. I know guys who have made kills doing it and, I know a lot of guys who have lost elk doing it. Only animal I have lost was a mulie buck at 5 yards bedded under some rimrock directly below me, took a neck shot thinking it would be fine at that range (pass through), watched him bound off across the canyon to the other side and disappear over the other side 1/2 mile out. I only take broadside or quartering away shots now.