XS Sight Systems improved DXT2 PRO line offers users increased durability and corrosion resistance due to the upgraded tritium lamps and BlackNitride surface finish. Another unique change is the green glow dot front sight. Green is a great bright light option that glows extremely bright in low light. DXT2 PRO Series sights offer the same exceptional benefits as our original big dot sights - large and easy to see front sight, simple vertical alignment for fast sight acquisition, tritium for visibility in low light, and CNC machined in Fort Worth, Texas with American materials. Designed for defensive shooting, these sights offer top-notch visibility in any light condition. Note: Will not fit Optic Ready Models FeaturesTritium powered front and rear sight: Visible index points in low lightBig Dot front measures 0.188": Large and easy to see front sightBlackNitride surface finish: Increased corrosion resistanceHigh-contrast colored front sight: Easy to see in bright light conditionsGlow...