Converted from .22 to .224 Harvey Kay - Chuk with a front ramp sight solid rib with a square notch adjustable rear sight. Standard markings with the addition of "HARVEY .224 KAY - CHUK" on the right above the original factory .22 long rifle markings. The hammer and serrated trigger are case hardened and the backstrap is serrated. The wood grips are checkered and feature a Smith & Wesson medallion on each side with a diamond pattern around the retaining screw. Only about 300 of these revolvers were converted to this caliber.