A few years ago some hunters wanted to shoot hogs off the bay with their bows. Rage broadheads were getting popular and thats what all of them had when they go to my camp. Out of six hogs none expired with one shot. Most took three four and five shots similar to the buffalo hunt scene in dances with wolves. At one point I went to my truck and unscrewed some thunderheads and they got clean passes and dead hogs. Just my experiences not the final say by any means, no idea how they perform on deer.