the closer you get to the nfa/semi-auto border the more you rely on disparite opinions of beaurocrats as to legality and put your freedom into the hands of leftist judges.
its one thing to risk your freedom and life protecting the nation and constitution it is another to do the same for a plastic toy.
"Gun control: The theory that a woman found dead in an alley, raped and strangled with her panty hose, is somehow morally superior to a woman explaining to police how her attacker got that fatal bullet wound." L. Neil Smith
The problem with being stupid is you cannot simply decide to stop doing dumb things...