Trijicon HD Night Sight H&K 45C, 45C Tactical, P30, P30l, P30SK, VP9 (Hk110O) 600601. The Trijicon HD Night Sight Set (Model HK110O) is designed for H&K P30, P30L, VP9, and. Featuring a high-visibility orange front outline with tritium illumination and a black U-notch rear sight, this set delivers fast target acquisition and enhanced low-light performance. Orange front sight outline. For rapid target acquisition. Green tritium night sights. Tall front blade improves sight alignment and visibility. Enhances front sight focus. Steep hooked rear sight surface allows. Durable steel construction built for tactical use. Designed for defensive, duty, and tactical applications. Model: HD Night Sight Set. Front Sight Color: Orange Outline / Green Tritium. Rear Sight Color: Black Outline / Green Tritium. Blade Width: 0.144. Blade Height: 0.215. Overall Height: 0.306. Notch Width: 0.169. Blade Height: 0.325. Overall Height: 0.415. Heckler & Koch pistols. Trijicon HD Night Sight Set (Front & Rear).