This Trijicon HD Night Sight Set was designed to fit Smith & Wesson M&P, SD9 VE, and SD40 VE models. This night sight set was created specifically to fulfill the requirements of tactical shooters, and the sights are covered by a 12-year warranty that guarantees usable illumination. The innovative configuration of this set increases visibility and enhances front sight acquisition. The front sight is outlined in yellow, having a tall blade with a photoluminescent aiming point for increased visibility. Outlined in black, the rear sight has a U-shaped wide notch