I have shot 2 elk with magnus stingers complete pass threw on both one was at 50 yards the other 40 and they will bust bone real well also my good friend shot an elk last year the arrow went off path and hit the elk in the neck at the base of his shoulders the elk was a 300" bull and he droped him in his tracks IMO if he was using any other thing than a thick 2 blade he would of not got the penatraion .