NOTE: The 2nd Amendment is SELF-incorporated to all government entities at every level. It is MORE ABSOLUTE than the 1st Amendment, or any of the others, because the wording forbids not only CONGRESS, but ANYONE from infringing on it. The 1st says “Congress shall make no law...”. The 2nd say “shall NOT be infringed!” Period! End of debate!
Yes and that peculiar wording of the 1st “Congress shall ...” is another evidence that full incorporation of the BoR occurred at ratification. Why? Because that wording exempted the State legislatures from its effect probably to allow State to have a official religion, but not the Federal government.