XS Sight Systems R3D 2.0 Night Sight Glock Optic/Supp 43X & 48 Green. Easily install your sights with a set that requires 50percent less force for installation. R3D sights are built to withstand years of EDC use and abuse. The set drives focus downrange using a serrated blacked-out rear sight and a dual-illuminated tritium photoluminescent front sight. R3D sights are the brightest notch and post option for fast and accurate shooting in bright and low light. Specifications for XS Sight Systems R3D 2.0 Night Sight: Manufacturer: XS Sight Systems Color: Black Gun Type: Pistol Illumination Type: Tritium Condition: New Features of XS Sight Systems R3D 2.0 Night Sight Tritium front and rear sight Dual-Illuminated tritium photoluminescent front sight High contrast orange or green photoluminescent Glow Dot Anti-glare Blacked-out Serrated Rear Sight Black nitride surface finish Rear Sight Ledge for one-handed slide manipulations CNC-machined iron sights Package Contents: XS Sight Systems R3D 2.0 Night Sight XS Sight Systems GL-R206P-6G: R3D 2.0 Night Sight Glock Optic/Supp 43X & 48 Green