XS Tritium Stripe Front Sights are the finest sights made for fast sight acquisition in all light conditions. Green tritium inserts surrounded by a white outline to improve your sight picture in all conditions. Day-Light, Half-Light, or Low-Light. Fast, simple and effective. This is the ultimate self defense sight system that provides sights you can see around the clock. Features: - Enhances sight acquisition in all light conditions - Excels in high stress defensive situations - Improves Low-Light accuracy - Low profile, snag free design Specifications: - Front Sight Only - Fits: AR-15/M16 Mil-Spec - Front Sight: Tritium Stripe - Diameter: 0.105" - Flat Top - Material: Blued Steel - Finish: Matte Black - Includes: Front Sight Installation Kit.