[Jeff Higgins]

I believe Montana passed similar law many years ago. Not regarding suppressors, but regarding firearms manufactured and sold within its borders. Technically, there is no "interstate commerce" involved, so technically the fed has no say in the matter. I'm not sure of its current status. The fed has, in the past, used some very, very far reaching, tenuous strings of justification for regulating "interstate commerce". For example (and this is just an example), if the screws used to assemble the firearm were sourced from out of state, then the fed would try to use that to regulate them under their "interstate commerce" jurisdiction.

It will be interesting to se where this goes.