Colt Single Action Army was discontinued in 1999, as was the 4.75" variant, which was reintroduced in 2002. Manufacturing of the Colt Cowboy was discontinued in 2003. Colt engraved less than one percent of its first generation production of the Single Action Army revolver, which makes these engraved models extremely rare and valuable with collectors. Engraved pieces were often ordered by or for famous people of the day, including lawmen, heads of state, and captains of industry. This tradition began with the founder, Samuel Colt, who regularly gave such examples away as a means of publicity for Colt. Colt employed a number of engravers,
William Mason (Colt) built by Colt. With increased competition from their British rival, Webley & Scott, Colt had Mason design a double-action revolver for them in 1877, the Colt M1877. Following this, Mason once again teamed up with Richards to produce a larger framed version, the Colt M1878 Frontier in 1878. His final design for Colt was the Colt M1889, a collaboration with Carl J. Ehbets for a revolver with a swing-out cylinder. Ehbets continued to perfect the idea for 7 years after Mason left Colt for Winchester. Mason left Colt to work for the Winchester Repeating Arms Company in 1882. While he