You can purchase non-NATO 5.56/.223 ammo for hunting, and are typically required to use it when hunting game. I re-read my sentence and it didn't come out quit

You can purchase non-NATO 5.56/.223 ammo for hunting, and are typically required to use it when hunting game. I re-read my sentence and it didn't come out quite right. I agree that 5.56/.223 isn't your typical hunting round. What I meant by my sentence is that you can hunt with it but it isn't generally legal to use non-expanding rounds for hunting. So I stand by my claim that the AR-15 is a low-power rifle. No need to move from your position, you are correct. It's an instrument of war and not utility. There are slight ups and downs depending on the size of game but I agree that the .308 is probably the de-facto starting round for big game.