Originally Posted by
glockshooter
Here are the regulations that I follow. They are from the BATFE NFA handbook. It says specifically that if the weapon you are registering is an existing firearm then you should use the original manufactuers information and serial number. That comes form section 6.2.1 of the handbook. The following
sections are what I go by 6.1, 6.2, ang 6.2.1. They can be found in the sticky thread at the top of the page ( link at the ATF NFA handbook). I do not mark my weapons, but I guess everyone has to make there own decision.
Matt