A AR15 lower being sent to an engraver is considered a repair and can be done by UPS or FedEx.
Can it also be done through the USPS?
Or, is it like a handgun that COULD be sent through the USPS but only by a FFL?
Can it also be done through the USPS?
Or, is it like a handgun that COULD be sent through the USPS but only by a FFL?