You do not have to have a license for personal use. However, a MA manufactured after July '86 is still illegal. Check out P. A. Luty's book, " The expedient 9mm submachinegun." Amazon has it. Let us know how it goes, just create a different login before you do. You know big brother and all. P. A. Luty is a Brit, and the whole idea of his design is that it can be produced using basic raw material, and when it is disassembled, it looks like a bunch of shop junk. And that is where it safely stays until needed.