Shoot better day or night with the XS F8 Night Sight Set. The XS F8 night sights increase front sight focus by using a large, high-contrast for fast sight acquisition. The wide notch rear sight easily aligns with the front sight and increases front sight visibility. XS F8 night sights give you the best notch and post solution for fast sight acquisition in all lighting conditions. FeaturesTritium Powered Front & Rear - Glow in low light to aid in sight alignmentColored Front Sight Ring - High visible orange ring designed to maximum visibility in bright to low light levelsPhotoluminescent Ring - Photoluminescent particles absorb ambient light and glow in low lightRound Base Notch - Draws focus on top edges of sight for proper alignmentRear Sight Overhang - Reduces glare from rear sight in bright daylight for greater sight definitionRear Sight Ledge - Aids in one-handed slide manipulationsEasy Installation by hand or sight pusher toolWide Rear Sight Gap - Increases the amount of light...