You dont need bump stocks, you can get the same effect by pushing the barrel away from you, as you let the recoil fire for you. You lose a great amount of accuracy (if you cannot control the weapon) but you'll be able to spray as if it was an automatic. The bump stock hysteria, is just that, hysteria. The protests against bump stocks are filled with ignorant people.
And then there's the AK guys that bump fire with their belt loops. We gonna ban belt loops next? ;)
pew pew pew pew