The XS Sight Systems DXT2 Pro night sights feature green tritium illumination and are designed specifically for standard height applications on compatible Glock pistols.XS Sight Systems DXT2 Pro Night Sight SystemGreen tritium for low-light visibilityStandard height configurationCompatible with Glock models: 17 19 22 23 24 26 27 31 32 33 34 35 36 37 38 45 49Model: GLX201S5GEngineered for reliable target acquisition in low-light conditions these professional-grade night sights provide enhanced accuracy and confidence for tactical defensive and competitive shooting applications.