I'd say you and lazs are waaaaaay better off going onto the anti-gun blogs etc and "have at them". 99.9% of people here are fully and utterly on your side in any gun debate.
Actually, the anti-gun blogs tend to preach to the choir and restrict, in many case, polite discussion if it becomes to uncomfortable. Some play around on the Huffington Post, etc. or Brady.org but that's not an interest of mine.
Sites like the Democratic Underground and The Daily Cos actually, and perhaps surprisingly for Lazs, have at lest 50 percent support, if not better, among their posters. These are posters who identify themselves as progressive to some extent and regularly post on other issues.
For my part I concentrate on letters to the editor, reply posts to articles when offered online and being part of the network that identifies anti propaganda for rebuttal. I also call legislators, like the 3 Cook County Commissioners I called today over the proposal to fully ban all handguns and register all rifles in the county (including those sacred hunting rifles) and that includes such language as this:
Any weapon that the President, the Board, or the Sheriff defines by regulation as an assault weapon because the design or operation of such weapon is inappropriate for lawful use.I also sent a friendly Tribune columnist (of of a very few) a notice as to what is going on at the county to see if he has any interest in writing about it.
AH is just practice

Charon