Arizona has no laws restricting someone from drinking while handling guns. It only becomes an issue when someone begins acting in such a manner that they present a danger to their self, or others. So no, it's not addressed legally speaking. Can't do that in Alaska though, and they supposedly have fewer restrictive gun laws than any other state, not.
I was at one of my favorite shooting spots in the desert and these guys showed up with a cooler full of beer, and they proceeded to get out right drunk. My Son and I packed up and then ran into a sheriff, and so we reported it to him. He told us that unless they were acting dangerously, they were not violating the law, it's legal to drink and shoot. It's also legal to hunt drunk.
This does not mean it is a good idea, it's not, it's very irresponsible I think. I mean, I see nothing wrong with someone having a beer or two while hunting or shooting, but it becomes dangerous when they reach a point of intoxication, in my opinion.
S&W357mag