Correct.2.) Not every gun owner is or will be in the militia. You can't be so myopic as to believe that.)
I have not presented an argument that presumes such a belief. I assume that those in need of collecting, owning, stockpiling and playing with legally sold ''assault rifles' for any reason are more inclined than most other type of gun owners, to fancy themselves as part of some Amendment Two sons of liberty militia mania.
They do have 'assault rifle' ownership in common with the Parkland High shooter. There is that connection which brings me to my point that the Second Amendment most certainly does not interfere with the majority of America's citizens right to ban 'assault rifles' if that can be politically achieved.
Prohibiting the possession of what a given lawmaking body designates an assault weapon is constitutionally permissible, reflecting the will of the people as expressed by the political process.
But that a measure might be Constitutional doesn’t mean it’s good law – an AWB would be such an example.
The banning of AR 15s would not have the desired effect of ending gun crime and violence.
The issue of gun crime and violence is multifaceted and complex, beyond the purview and remedy of government.
And a Federal AWB would likely not survive a court challenge.