How about we let the collective ingenuity of American inventors work on this issue for the next 20 or 30 years.
I bet there will be some remarkable solutions devised.
IF we get the NFA out of our way.
Heck, Id settle for some patriot rep in DC to insert this line into the next 1000+ page bill:
18 USC 922 (o) is hereby repealed
....better yet, repeal chapter 4 of the GCA. ;)