"So what the government did was restrict access instead of banning that class."
You can buy and sell almost anything if you have the proper license. You can buy heroine if you're properly licensed. You can buy anthrax if you're properly licensed. I think most people would think of them as being banned though.
Getting a Class III License for a fully automatic weapon, or a silencer, or a short barreled rifle, is difficult on the one hand but not so difficult on the other hand. I know 3 guys who have them. It took one of them over 20 years to get it. It took another only about 3 or 4 years. Can't remember exactly. And third guy was an active duty police officer. The funny thing is though the guy who had to wait 20 years was the only one I would have given a license to. It took him that long because he didn't suck up to local police chief. And yes, all 3 of them are Vietnam Vets.
The thing is you have to want it bad enough to put up with the red tape, and you have to hang in there. If you have a clean record in the end they almost have to give it to you. I thought about it but I didn't want to wait it out. Further, as an example, the guy who waited 20 years went and bought an M60 machinegun. This was over 20 years ago. The price, $14,000. It's probably about 3 times that now. So it isn't a cheap hobby.
Also if you think you need one that badly enough due to societal circumstances, converting an AR15 type firearm to full auto is very easy to accomplish. And if things have gotten that bad they'll be no need to worry about the law. Further, the worse things get the more fully automatic weapons will surface. That's the fallacy in this concern about a rouge government. All sorts of things begin to become available if there are enough people with the guts to push back.
Oh yeah, one more thing. You want a fully automatic Russian AK? Take a little trip in your boat out to international fishing waters. It's that easy. And up here those huge Russian fish factories aren't that far out.
BSB