Converted by gunsmith Charles Kelsey, this Devel conversion features a fixed front sight with red insert, adjustable rear sight, satin nickel finish, 3 1/2 inch barrel, polished feed ramp and chamber, shortened slide with fixed barrel bushing to improve accuracy, shortened frame, single stack magazine with finger hook on the floor plate, and bobbed hammer. Standard checkered S&W walnut grips with "DEVEL" emblem added. This Model 39 Devel conversion is numbered "B101" to the right of the original serial number.