Produced in 1977, only 803 were made during the commercial run, one for each milepost of the pipeline plus the terminals. Fixed sights, with standard markings, unfluted cylinder and checkered grips. With a Colt wood grain box numbered to gun, a Colt factory letter, and a photocopy of a Colt Industries internal invoice, which confirm the major features and the arm's entry into the Colt Archive.

Near new, original blue finish, with some minor handling marks. The box is good, with taping and wear and tear concentrated around the edges. Mechanically very good.