Maybe I can give you a little feel for the Jewish/ Guns thing, based on my own experience in the past 50+ years. It's really a kind of schizophrenic thing.
I remember when,in 1952, at age 13, I told my folks that I wanted to get a .22 with the money I'd saved from my paper route, they were both initially very opposed. My mother said that only gangsters wanted guns; my father wasn't quite so dramatic, but wasn't thrilled about it either. When I pointed out that our fellow Jews in Israel had just used guns to gain their freedom, and my dad had carried a gun in WW2, the opposition lessened somewhat. They didn't like it, but since it was with money I'd earned myself, they allowed it.
From what I've seen in the years since, I think that there is some sort of collective unconsious memory among East European origined Jews that the only people who have guns are the Cossacks and the oppressive police. I've not seen this attitude nearly so strongly in Jews whose families came from Southern Europe(Italy, Greece, South of France).
Also, you have to factor in the fact that hunting is a no no to Jews who keep kosher in their eating; and while there aren't as many of those as there used to be, I think that the tradition still influences attitudes.
The good news is that as we get to the second and third generation born and raised in the US, Jews are getting less and less "traditional" in their attitudes about a lot of things, including guns. Jews like Dr. Laura (and me [:D]) are getting more and more common.