People who act like the founders would be opposed to weapons like the AR being sold freely...are complete idiots and miss the entire point of the amendment.

A force meant to be trained and equipped well so as to fight a government should have reasonably comparable equipment or access to such.
That means at-15s, that means aks, that means armor.

That is plain old common sense.

yes, against who precisely ?

?
I don't understand your question

You have no idea how the founders felt on the issue, gtfo.

that man needs to be arrested, assault rifles are illegal to own.