If that is true then the NRA doesn't stand a chance and neither does Congress. All the lobby money in the world from the NRA means crap if the folks don't vote for and elect those spineless wimps. Are you gun parents gonna do something about it?
How about this ... you can turn a single-shot rifle barrel into a "machine gun". And people do so all the time. And it is perfectly legal.
It's called a Gatling Gun.