XS Sights R3D 2.0 Night Sight Set for GLOCK 21 – Suppressor Height, Green Tritium Front

The XS Sights R3D 2.0 night sight set delivers 24/7 visibility for GLOCK 21 pistols with a tritium-powered front sight and blacked-out rear.

• Type: Tritium Night Sight Set (Front & Rear)
• Compatibility: GLOCK 21
• Height: Suppressor Height
• Front Sight: Green Tritium Lamp
• Rear Sight: Blacked-Out, Wide Notch
• Tritium Lifespan: 10-12 Years
• Material: Steel, Rust-Resistant Finish
• Installation: Standard Dovetail