XS Sights Banded Standard Dot Tritium Set For Mossberg 500 XS Sights Banded Standard Dot Tritium Set For Mossberg 500 will be available in approximately 2-3 weeks. * NEW 24/7 Tritium Stripe front sight provides enhanced sight visibility in Day Light, Half-Light and Low-Light. * Standard Dot Tritium front sight for general use to intermediate ranges. * Easy install/no gunsmithing Banded Standard Dot Tritium front sight for Mossberg shotguns that don’t have a front sight base. * Trijicon® Tritium vials. * White Stripe Post for hunting.