Yes.
Yes they did.
Yes.
Yes they did.
OK, so show me that "well regulated" part. I see virtually nothing in the way of citizen logistical preparation on an organized and practiced basis, particularly since the National Guard is nearly completely Federalized. The people can buy all the guns and ammo they want, but if they don't have a way to organize and supply said 'militia of the people,' they've got a losing battle, particularly against an enemy as ruthless as communo-fascists.
It's that Shemitta thingy nobody pays attention to.