You are obviously confused. We are not a constitutional democracy but a constitutional republic. There's a huge difference. The same saf.org website has a faq on gun rights with a section on the founders original intent which is in direct contradiction to your claims. Unfortunately the Constitution has been so corrupted over the years by politicians lusting for power that government has grown far too large for a citizenry to protect itself either through armed resistance or the ballot box. What we are rapidly becoming is a socialist democracy and if you love to see anarchy you're in for a good time real soon.