What is the date of manufacture for a colt AR15 serial number SP97928?

To determine the date of manufacture for a Colt AR-15 with the serial number SP97928, you would typically need to consult Colt's production records or reach out to Colt's customer service directly, as specific date information is not publicly available. Serial numbers can provide some clues about the manufacturing period, but exact dates often require direct inquiry with the manufacturer. Generally, firearms produced in the SP series were made in the early to mid-1990s.