I understand the intent, but feel that there are so many other loopholes that put much worse weapons on the street than a printer. Besides, my prints can barely sustain normal use, much less a bullet being fired from them. I would think that this is more of a risk to the person holding the gun than who it’s pointing at.
Zip guns have existed for a long, long time, but nobody’s going to legislate serious controls for buying building supplies. I could walk into any hardware store and come out with the materials to build a gun that fires real bullets.
Don’t you just need a pipe of the right size capped at one end, and a nail?
Luty SMG is an improvement on that. For 3d printers check out the FGC 9. Neither are hard.
Yeah, a 3/4 inch pipe will fit a 12 gauge shell pretty well, and some pipes will stand a lot of psi.
People also build potato gun powerful enough to put on through a car door and then some