Trijicon HD U-Notch Tritium Pistol Night Sight Set Springfield Echelon Front and Rear Orange Front Outline Black Springfield Echelon. Built of durable high quality materials these Tritium Pistol Sights by Trijicon are reliable shot after shot and protective aluminum cylinders protect the fragile tritium-phosphor lamps. When you need to quickly identify your target and engage at longer distances the Trijicon HD XR Pistol Night Sight Set is the perfect addition to your pistol. Specifications for Trijicon HD U-Notch Tritium Pistol Night Sight Set: Manufacturer: Trijicon Color: Black Sight Style: U-Notch Front Material: Tritium/Paint Attachment Type: Professional installation recommended. Illumination Type: Tritium Illumination Color: Green Condition: New Features of Trijicon HD XR Night Sight Set Designed For Springfield Echelon Pistols Green Tritium Front And Rear Lamps Orange Front Outline U-Notch Rear Sight Standard-Height Steel Construction Package Contents: Trijicon HD XR Night Sight Set Front Sight Rear Sight Trijicon SP103-C-601208: HD U-Notch Tritium Pistol Night Sight Set Springfield Echelon Front and Rear Orange Front Outline Black Springfield Echelon