Bullet proof deer? Don't be ignorant.
.223 doesn't even kill humans all the time. Ask our military why many clamor for a more powerful round. Deer tend to be heartier than humans and often run off and die slowly.
Light bullets are also more easily affected by wind and brush.
Just answer one question: what do you get out of using such a marginal caliber? If you use a .270 are you less skilled as a hunter?
I'd bet that most of those that use a .223 AR on deer are under 30 years old and don't have the same respect for the animal that previous generations of hunters did.
Last edited by Mr.Blue; August 16, 2011 at 01:21 AM.