LITEWAVE™ Interchangeable Front Sight for Ruger MK I, II, III and IV models
Interchangeable style front sight, includes three litepipes in red, green and white. Litepipes store in litepipe changing key. Does not fit 22/45 Lite model. Will fit Ruger single six revolvers with adjustable rear sights. (replaces HRB2007) Also fits Browning buck mark pistols (except challenge, Buckmark 5.5 target, and Buckmark 5.5 field).