As Biden said, a double barreled shotgun is fine for defending a house from criminals ... as long as only two come in. But for hunting animals (not birds) I'll take a rifle. The AR-15 is okay as long as it uses something other than the .223. That is only a .22 round with more powder. I prefer it for hog hunting since they come in herds. Shoot the one you want for meat and then spray the rest as they run to hopefully thin out their numbers.