Proof that what AbaraXas writes is more likely a scenario than some kind of repeat of Lexington or Concord.

That is Connecticut, and I can assure you that even in what has become a Blue State Hellhole, most firearms owners will
not comply.
Most of the rest of the country has been rapidly moving in the
opposite direction, i.e. - toward Constitutional Carry, or at least, toward "shall issue" laws for licensing. In all of northern New England, including Maine, Vermont and my state of New Hampshire, no licensing or permitting is required for
any firearm that is not currently restricted under Federal law.
America does not have a gun problem; we have a crisis of moral and social disintegration largely brought about by the triumph of Progressive ideology in our public social institutions.