The Second Amendment refers to a "well-regulated militia", which can easily be argued as covering the National Guard, rather than individuals. The current interpretations of it have been built from commentaries on the Constitution, as well as Supreme Court decisions. Your ability to purchase and own the weapons you so fervently worship has more to do with people interpreting the Constitution and Bill of Rights as they see it, rather than a dogmatic worship of the Founding Fathers and their sacred words.
Sometimes I feel like my shadow's casting me