HIVIZ Smith&Wesson 617 Front Fiber Optic Sight (Green) Fits: Smith & Wesson 617 Color: green Made in the USA Smith and Wesson front revolver sight Resin overmolded green front sight Fits Smith and Wesson 617 model revolvers HiViz recommends gunsmith installation for all dovetail sights. Due to manufacturing tolerances, some firearms may require additional fitting.