XS Sight Systems DXW Big Dot for S&W 586686625629329 Revolvers. These Pistol Parts from the experts at XS Sight Systems use steel and tritium construction which is then molded into a snag-free front sight leaf. The XS Sight Systems Defensive Express White Illuminated Pistol Sight for Smith and Wesson handguns work perfectly in all light conditions for rapid sight acquisition. These sights excel in high-stress defensive situations due to their quick light acquisition capabilities. For a reliable sight system that excels in all light conditions choose the XS Sight Systems Defensive Express White Illuminated Sight. Specifications for XS Sight Systems DXW 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 Tritium Gun Type: Pistol Illumination Type: Tritium Included Accessories: Standart Mount Type: Dovetail Finish: Matte Features of XS Sight Systems DXW Big Dot Sight - S&W: Steel and tritium construction Low-profile snag-free design Enhances sight acquisition in all light conditions Package Contents: XS Sight Systems DXW Big Dot Sight - S&W Red Threadlocker & Allen Key XS Sight Systems SW-0004S-3: DXW Big Dot for S&W 586686625629329 Revolvers