Educate me big guy.
<That's my nightgown. I'm not all that big, either.
Now, if I were a Senator (There's no Anarchist party, what would be the point?) then I would suggest a National Militia Act. At present, we have the National Guard, and State Reserves. However, these are impeded by the steps needed to call the national Guard in times of Crisis. Which is too slow for a domestic terror attack in a school.
So, persuant to that, I would let them handle the Supply (Right to Bear Arms doesn't mean the government has to pay for them, and ammo.)
Training: The problem isn't fire, it's Indiscriminate Fire. If you want Military (In this case Militia) grade weaponry, then you have to go through Training to protect our public places from domestic terrorists. The problem with the GGWAG defense is they're not Trained to deal with a psychotic gunman. (Also IFF, Indiscriminate fire, and response times.)
Discipline: This is also training, but instead of just Firearm Training, it's also Operational Training, and Coordination. That way there's Qualified Militiamen, with radio communication, and coordination, as well as Uniforms, so that they know who the Asshole with a gun is. Otherwise, if there's a School Shooting, and 2 self appointed defenders show up, the second responder doesn't have to Identify the Asshole from the Good Guy, when there's too much gunfire to ask questions.
Supply, Training,
AND Discipline. That's what Militia should mean.
"Well Regulated."