XS Sight Systems XS Minimalist Pistol Night Sights. XS OR sights eliminate the need for height calculations giving you the perfect co-witness out of the box. The rear sight features blacked-out serrations to minimize glare. The front sight is available in two variations users can choose between a standard blacked-out front or a front sight with a tritium dot for enhanced low-light performance. These purpose built back up iron sights are designed to enhance visibility through the optic window and be there should the optic fail. Specifications for XS Sight Systems XS Minimalist Tritium Pistol Night Sight: Manufacturer: XS Sight Systems Gun Make: Glock Gun Model: Glock 35 Glock 34 Glock 24 Glock 22 Glock 17 Glock 36 Glock 38 Glock 33 Glock 27 Glock 26 Glock 32 Glock 31 Glock 23 Glock 19 Handle Color: Black Features of XS Sight Systems XS Minimalist Tritium Pistol Night Sight BlackNitride surface treatment enhanced corrosion resistance Tritium or non-tritium front sight optional low light visibility Blacked out serrated rear reduces glare and distractions CNC machined steel durable and made in specialized factories Glock MOS compatible low co-wittness with RMR & ACRO footprint optics Package Contents: XS Sight Systems XS Minimalist Tritium Pistol Night Sight