XS Sight Systems R3D 2.0 Green Fits Glock 20/21

Overview

XS Sights R3D 2.0 Tritium Night Sight Features Designed for maximum visibility and durability the dual-illuminated tritium photoluminescent front sight provides a bright green ring that charges in ambient light for enhanced low-light performance. The blacked-out serrated rear sight minimizes glare while incorporating a rear sight ledge for reliable one-handed slide manipulation. Precision CNC-machined from steel and finished with black nitride these sights are built for long-lasting durability and corrosion resistance. The traditional 3-dot notch and post sight picture ensures a familiar transition for shooters while the DIY install rating allows for easy self-installation. XS Sights R3D 2.0 Tritium Night Sight Specifications Compatibility: Glock 20 21 29 30 30S 37 41 Front Sight: Green Tritium with High-Contrast Green Ring Rear Sight: Green Tritium Black Nitride Finish Anti-Glare Serrations Sight Picture: Traditional 3-Dot Notch and Post Material: CNC-Machined Steel Special Features: Rear Sight Ledge for One-Handed Slide Manipulation Installation: DIY Rated for User Installation Origin: Made in the U.S.A.