What's surprising about it? I have a number of views that could be described as "left wing" -- I think gay people should be able to marry, I think the prohibition of marijuana is pointless, I think indefinite detention is wrong, and I do not think the NYPD should be monitoring muslim college students. I do not see any inconsistency in my views, although I certainly understand that other people diagree with them. What I find objectionable is the notion that people have to choose a "set" of views that is categorized as "left" or "right." Why?
Now what I do disagree with is how you are treating the NRA. Pete Shields (former HCI president) wrote over 30 years ago that were it not for the NRA they would have succeeded in banning handguns in the 1970s. You are saying that most of these politicians don't actually support our rights, but they pay attention because the NRA gives out campaign contributions. Right. Correct. You are missing that the NRA's real muscle is 4.3 million members and tens of millions more who consider NRA candidate ratings when voting. And that leads you to conclude that your refusal to support NRA is anything other than a refusal to support gun rights. This is a stand-together-or-die-apart issue. If you have issues with NRA then sign up and get involved and raise your issues. FWIW, NRA's leadership has made it a point to avoid describing the organization or its goals as "conservative" or "Republican." And if you ever live in the south or the west you can meet some elected Democrats who are NRA endorsed.