XS Sight Systems DXT Big Dot Sight - S&W. Day-Light Half-Light or Low-Light just "dot the i". Fast simple and effective. This is the ultimate self defense sight system that provides sights you can see around the clock.Enhances sight acquisition in all light conditions Ultimate "Flash Sight" picture Excels in high stress defensive situations Improves Low-Light accuracy Low profile snag free design Available with Big Dot Tritium or Standard Dot Tritium front sight Trijicon Tritium vials DXT = Defensive Express Tritium (tritium front tritium rear) Precision machined in Fort Worth TX Specifications for XS Sight Systems DXT Big Dot Sight - S&W: Manufacturer: XS Sight Systems Gun Make: Smith & Wesson Color: Black Front Sight Color: Green Rear Sight Color: Green Fabric/Material: Steel Gun Type: Pistol Illumination Type: Tritium Condition: New Mount Type: Dovetail Finish: Matte Features of DXT Big Dot Sight - S&W: Larger front sight improves the speed of front sight acquisition White dot reflects light for best visibility in low light Express Rear prevents obstruction of front sight when moving Snag-free design for comfortable carry Green Tritium Front Sight White Big Dot with Green Tritium Center Rear Sight Green Tritium with White Outline Package Contents: DXT Big Dot Sight - S&W The XS Sight Systems DXT Big Dot Sight - S&W is a quality addition to the XS Sight Systems lineup. For more great deals on Tritium Pistol Sights by XS Sight Systems please browse our XS Sight Systems Gun Parts page. XS Sight Systems SW-0022P-5: DXT Big Dot for S&W Bodyguard 380