Seriously, like someone else said there is really no such thing as a "perfect" deer cartridge. Perfect in the sense that it is the absolute best in any and every hunting situation. There are some good rounds out there and then you have some very good rounds out there. But the same round that would rule the plains and fileds of the mid-west, would be almost useles in the thick swamps here in southeast. On the other hand the rounds that anchor deer on the spot here in the swamps would not have the range neccessary for the plains and fields of the mid-west. Then you have some rounds that are suitable for both, but not the most effective at either one.