The Ameriglo Agent Green Tritium 2-Dot with Black Outlines .276" H .165" U Notch Rear Sight is designed to fit all Glock models, providing enhanced visibility and accuracy. Featuring green tritium inserts with black outlines, this rear sight offers excellent visibility in low-light conditions. The .276-inch height and .165-inch U-notch provide a clear and precise sight picture, making it ideal for self-defense and tactical applications. Crafted from durable materials, the Ameriglo Agent Rear Sight ensures reliable performance and long-lasting durability. Ameriglo Agent Grn Trit 2-Dot w/Black Outlines .276"H .165 U Notch Rear Sight for Glock GL-865R