To me, that's a ban. Buying a machine gun is almost like buying a car. To me, for a gun, that's more than it's worth. Plus you have to fill out all these forms and jump through all these hoops.
$10,000+.
It used to be ranchers back in the 1920s would buy Thompsons to keep varmints and cattle rustlers off the range. Now you have to be pretty well to do to get one...and even then, it's such a bundle of money for a gun.