Heckler and Koch VP9, VP40, P30, HK45 Night Sight Set. Featuring a green tritium front sight, this elevated night sight set is designed for the HK VP9, VP40, P30, and HK45 model pistols. The three-dot tritium night sights allow shooters to line up their sights in both bright and low-light situations. This night sight set features a 0.2505″ front sight height and 0.3515″ rear sight height.