XS Sight Systems XS Minimalist Optic Plate and Night Sight Set. XS OR Sights for Glock pistols are low-profile BUIS that do not obstruct your field of view. XS OR sights eliminate the need for height calculations giving you the perfect co-witness out of the box. Designed for strength and reliability the XS Optic Plates for Glock MOS pistols are available for both RMR and ACRO footprint optics providing a secure and seamless mounting solution. Specifications for XS Sight Systems XS Minimalist Optic Plate and Night Sight Set: Manufacturer: XS Sight Systems Color: Orange Gun Model: Glock 19 Handle Color: Orange Gun Make: Glock Features of XS Sight Systems XS Minimalist Optic Plate and Night Sight Set Ready-made sight and plate combo eliminates guess work and math 30percent more thread engagement helps prevent optic failure BlackNitride surface treatment enhanced corrosion resistance Low co-witness low enough to avoid distractions in optic window Tritium or non-tritium front sight optional low light visiblility Blacked out serrated rear reduces glare and distractions CNC machined steel durable and made in specialized factories Glock MOS compatible fits ACRO footprint optics Package Contents: XS Sight Systems XS Minimalist Optic Plate and Night Sight Set What firearm models does the manufacturer say XS Sight Systems XS Minimalist Optic Plate and Night Sight Set is compatible with? The manufacturer says that XS Sight Systems XS Minimalist Optic Plate and Night Sight Set is compatible with Glock 19