Quote Originally Posted by blue View Post
Any USA citizen can manufacture a firearm legally, as long as it isnt for sale, without a serial number or "tag". This is true without using a 3D printer. I could make an AK-47 out of a shovel and it would be completely legal. No 3D printer needed.
The difference is that most people would be physically incapable of making an AK out of anything besides a pile of AK parts.

What has the Brady bunch in a tither is that with 3-d printers anyone who can press the "print" button on a PC can make one.