Manufactured in 1970-1980. Converted by gunsmith Charles Kelsey, the Devel "Full-House" conversion features recessed front sight (insert absent), adjustable rear sight, satin nickel finish, fluted slide, shortened grip, shortened frame, 3 1/2 inch barrel with polished feed ramp and chamber, Devel barrel bushing installed to improve accuracy, Wolff springs throughout, relieved trigger guard area with finger hook, bobbed hammer, checkered plastic grips with S&W logos and "DEVEL" logos, and spiked magazine floor plate. This Model 59 Devel conversion is numbered "156" to the right of the original serial number. Includes a leather holster, leather magazine carrier, and two extra magazines.