When was a FN Herstal 9mm Browning pistol serial number 77C46534 manufactured?

Different companies have different methodologies when it comes to how they serialize their firearms. This can make identifying traits such as date of manufacturer difficult for people outside of the company.

The best way to have this question answered is to query FN Herstal directly. Their United States branch's customer service department can be reached at 800-635-1321.