3DOT HD XR NS YLW GLK 10MM/45 GL604-C-600840 Manufacturer Model Number: GL604-C-600840 Manufacturer: Trijicon Model: HD XR Night Sight Set Type: Accessory-Lasers and Sights Item Type: Accessory Finish: Black Sights: Yellow Front & Black Rear Shipping Weight: 0.1 Feature: For Glock Model:20,21,29,30,41 Feature: Including S & SF Variants Feature: Thin Front Post Optic Adjustable Objective: false Optic Reticle Illuminated: false