The XS Sight Systems DXT2 Standard Dot Night Sight delivers superior front sight visibility in all lighting conditions with a green front dot and white stripe rear configuration. Featuring patent-pending glow dot technology that absorbs light and glows in low light before transitioning to tritium illumination.XS DXT2 Standard Dot Night Sight SystemGreen tritium front dot with white stripe rear sightSuppressor height design for optic co-witnessingPatent-pending glow dot technology for enhanced visibilityFits Glock models 17 19 22 23 24 26 27 31 32 33 34 35 36Compatible with Taurus G3c GX4 new G3 and Walther PDPMatte black finish construction0.140" outside diameter fits common holstersMade in the U.S.A.Engineered for high-stress situations and tactical applications these suppressor-height sights provide lower third co-witness with factory Glock cuts and RMR optics while maintaining maximum visibility of both the front sight and downrange threats.