DD214
Founder
At your door or your FFL's door? Or did they make you a new reciever with the same serial #?
Here is the ATF code that addresses this:
TITLE 27--ALCOHOL, TOBACCO PRODUCTS AND FIREARMS
CHAPTER I--BUREAU OF ALCOHOL, TOBACCO AND FIREARMS, DEPARTMENT OF THE
TREASURY
PART 178--COMMERCE IN FIREARMS AND AMMUNITION--Table of Contents
Subpart I--Exemptions, Seizures, and Forfeitures
Sec. 178.147 Return of firearm.
A person not otherwise prohibited by Federal, State or local law may
ship a firearm to a licensed importer, licensed manufacturer, or
licensed dealer for any lawful purpose, and, notwithstanding any other
provision of this part, the licensed manufacturer, licensed importer, or
licensed dealer may return in interstate or foreign commerce to that
person the firearm or a replacement firearm of the same kind and type.