Please learn from my bad decision to use them on elk last year. I took a shot at one of the biggest bulls I have seen in the wild and at the shot he took a step foward and so I hit farther back than I intended to. The arrow stuck out the other side and didn' t completly exit and as mechanicals always do the head didn' t make an entrance wound. So the arrow cloged the the exit wound and there wasn' t an entrance wound to speak of. I tracked that bull for atleast a mile with very very little blood to follow and then I couldn' t find anything. I absolutly believe that had I used a fixed blade head I would have stood a much better chance of finding that elk. The elk would have been able to bleed out from atleast one wound even if the arrow had clogged the exit wound making a better blood trail.

Do yourself a favor and stick with the Muzzies. I' ll never use another mechanical head on anything larger than a deer.