The XS Sights DXW Big Dot Night Sight Set for Smith & Wesson (brand part no. SW0019S3) is a defensive tritium sight set built to enhance an EDC pistol with a sight picture that’s genuinely easy to see, day or night. The front sight uses a reflective white dot around the tritium insert that bounces ambient light for extra low-light visibility, while XS deliberately sized the DXW sights large and highly visible to help shooters with aging eyes or deteriorating vision pick them up fast. The shallow-V rear sight keeps a low profile with a wide field of view, and the dot-the-i sight picture, a tritium dot up front paired with a plain white stripe in the rear, keeps a shooter from confusing front and rear under stress, since real gunfights happen while both people are moving and the defender is threat-focused, not sight-focused. XS built the DXW around its express sight concept, modeled after African big-game hunting sights designed to give a fast, combat-accurate flash sight picture when seconds count.

Key Specifications

• Green tritium front sight with a reflective white dot for daylight visibility.
• Shallow-V rear sight with a low profile and wide field of view.
• Rear sight uses a plain white stripe, not tritium, to prevent front/rear confusion.
• Built large and highly visible for fast target acquisition under stress.
• Front sight dot measures 0.188 inches wide.
• Overall sight height measures 0.300 inches.
• Based on XS’s express sight concept, modeled after African big-game hunting sights.

Frequently Asked Questions

Why is the rear sight not tritium? The plain white stripe rear keeps the eye from confusing front and rear dots in a high-stress dot-the-i sight picture.

Who are these sights designed for? Anyone who wants a bigger, more visible sight picture, including shooters dealing with aging eyes or deteriorating vision.

Do these work in daylight as well as at night? Yes, the front sight’s reflective white dot bounces ambient light for daylight visibility, while tritium handles low light.

Buy the XS Sights DXW Big Dot Night Sight Set for Smith & Wesson

Get a sight picture built to be seen fast under real stress. Order the XS Sights DXW set from our gun sights lineup at our Lubbock, Texas gun shop for fast, direct shipping.