People hunt and sport shoot with it. And there is nothing special about function wise. Many rifles shoot a 223 or 556. 223 or .556 is good for some hunting. Smaller deer and such. It is banned for use in some states because the fear is the round is not big enough to take down larger game and it will only injures them. Penquin, who used to post here claims he had one for varmits and coyotes.