XD HR Night Sights for Springfield handguns use a tritium-phosphor lamp to maximize visibility in low, and even no-light conditions. The sapphire jewel cap on each tritium lamp protects the lamp from damage, and also evenly distributes light. The XD HR Night Sight uses a U-notch rear sight design for intuitive and easy-to-use functionality. Thinner front sight to improve field of view and target acquisition Silicone rubber cushion for improved recoil protection Aluminum cylinder encasement protects lamp from damage These XD HR Night Sights are compatible with Springfield handguns. Mfg: Trijicon
