It doesn't matter if they are. You need only keep a few hard moving parts. Everything else is a plastic shell. One day you could need to use a gun so you print up the plastic shell and you throw the hard parts in, do what you need with that thing and then scrap the hard parts and melt down the plastic. So long as you don't get caught, there's nothing regulation can really do to stop you.
Will printable gun files be outlawed as contraband?
It doesn't matter if they are. You need only keep a few hard moving parts. Everything else is a plastic shell. One day you could need to use a gun so you print up the plastic shell and you throw the hard parts in, do what you need with that thing and then scrap the hard parts and melt down the plastic. So long as you don't get caught, there's nothing regulation can really do to stop you.