Well, that’s embarrassing.

The Attorney General of New York has changed the rules of a state gun buyback program after one seller exploited the program.

The seller, who identified himself by a pseudonym, traveled from West Virginia to Utica, NY, to take advantage of a loophole.

The seller turned in 60 3D-printed auto sears (small devices that can convert firearms into fully automatic weapons).

According to the original rules, that entitled him to $350 for each part, including a $100 premium, because they are considered “ghost guns” which don’t have serial numbers.

The seller said the money was enticing but that he primarily sold the parts to send a message, saying that buybacks are “ridiculously stupid” and adding, “the people running this event are horribly uneducated about guns, gun crime and the laws surrounding the regulation of guns.”

The new rules give buyback personnel more discretion to determine the value of the weapons handed in and set a standard that all 3D-printed guns accepted must be capable of being fired more than once.