3 DOT HD NS YLW GLK 10MM/45ACP GL104Y | 20,21,29,30,36,& 41 Manufacturer Model Number: GL104Y Manufacturer: Trijicon Model: Trijicon HD Night Sight Set Type: Accessory-Lasers and Sights Item Type: Accessory Finish: Black Sights: Yellow Front and Black Rear Shipping Weight: 0.1 Feature: For Glock Models:20,21,21SF,29 Feature: 30,36, and 41 Optic Adjustable Objective: false Optic Reticle Illuminated: false