Gun Grip Supply Smith & Wesson S&W K/L/X Frame Grips Rosewood Smith & Wesson K / L / X Frame Grips Rosewood with Silver Colored S&W Medallions. Fits the Round Butt. Converts the Round Butt to Square Butt. Fits models: 10 (post 1994), 686 Plus, 686 SSR, 12, 13, 19, 547, 581, 586, 64, 65, 66 (post 1995), 617, 681, 686 Etc. S&W 500, S&W 460 X Frame is same as the K Frame round butt. S&W Governor Z Frame round butt.