Video answer: 223 vs 556
Top best answers to the question «Is 223 or 556 better for deer hunting»
223 round is too light for big game like deer and hogs. It doesn't have enough terminal energy, and the small-caliber bullets don't expand enough. Great for coyotes, bad for deer… 223/5.56mm NATO round was widely used in AR-style rifles for years, killing all sorts of coyotes and varmints.
Video answer: 223 -vs- 5.56: facts and myths