We try to kill 4+ yr old deer regardless of antler size. However we have a 6 pt gene and are seriously considering shooting 6 points at 2 or 3 years old for a few years to see if there is any difference by not letting 6 points live to be 5 or 6 yr olds. If nothing else could killing a 6 pt at 3 keep him from running off a 2 yr old 9 pt when he is 4 or 5?