What year is a Colt Lawman MK III serial?

The Colt Lawman MK III revolvers were produced from 1972 to 1986. To determine the specific year of a particular Colt Lawman MK III, you would need to reference the serial number against Colt's production records or use a Colt identification guide, as the serial numbers were issued in a sequence that can help pinpoint the manufacturing year.