I haven't seen the video, but there's a category of weapons classified as "destructive devices." That's not limited to full-auto. Class 3 licenses.
If I can get the time off, I'd like to court watch this if it goes to trial. The arraignment was in Detroit, about 40 minutes from me.
See post 294 above. I wasn’t aware of this law before today but apparently, demonstrating the use of anti-personnel explosives while carrying any firearm is a federal crime on two counts, one charge for demonstrating the use of WMD and one for possessing firearms in the process. If this is the case, that youtube video is pretty damning.