Heckler and Koch VP9OR Elevated Sight Set. Featuring a green tritium front sight, this elevated sight set is designed for the HK VP9 optics ready model pistol. The contrast between the green dot front sight and matte-black rear sight sights allows for quick target acquisition. With a 0.371″ front sight height and 0.400″ rear sight height, this sight set is elevated for use with a suppressor and/or optics sights.