Big Difference between 185 rounds and 1180 30mm Uranium depleted Sabot rounds that reload in 2 1/2 hours during Battle. Harder to build An AR at home with household tools.

Counter-air coverage. Against what?

I doubt that you’ll find a transferable GSh-30, but if you do find one on Gunbrokers, then yes you are allowed to have one...

I think it’s more of a crime for me to NOT have this.

I see no reason why you shouldn’t.

According to the 2nd amendment, I should be allowed to have one of these.