What is the age of a Mossberg New Haven 600AT serial number H648702?

To determine the age of a Mossberg New Haven 600AT with the serial number H648702, you'd typically need to refer to Mossberg's manufacturing records or a detailed serial number guide. Generally, the "H" prefix indicates it was manufactured in the 1970s, but for an exact year, you should consult specific resources or contact Mossberg directly.