Now now, we don’t want absolutes in that. There are plenty of gun owners who DO fit the above (possibly, and even probably the majority of them) but there are plenty, including people on this board who think otherwise. See the discussion in this thread and many others about otherwise liberal / liberal-leaning gun owners.
But if we’re going to go back to first causes of what are your rights and where do they come from, @Babale did that thread a while back, and quite well just over a year ago: