In what reg does it say that it has to be done before approval? I'm currently reading the NFA handbook and I don't see any guidance on when it should be accomplished, only what has to be on there.
I just received my Form 1 back approved but was a little confused. Do you have to engrave your name, city, and town before you assemble the rifle? Either way, I have a Bulgy Krink that I need to put together now and the name of a good engraver would be nice. This is also my first Krink to...