There was a youtube video of a misfire on one of these things - round blew in the gun - not a pretty sight. I’m not sure I’d want one, but that’s just my personal preference for not wanting explosive ordinance around the house. Rather have ma deuce or the russkie 14.5 kpv heavy machine gun.
Take this scene for example
This could easily be deployed against "right wing radicals" - after all, it already has been deployed against civilians, and that included killing women and 20 children, in America...