XS Sights SW0019S3 DXW Big Dot Night Sights-Smith & Wesson Black | Green Tritium White Outline Front Sight White Stripe Rear SightDXW Night Sights are defensive tritium sights designed to enhance your EDC pistol. The front sight uses a reflective white dot that bounces ambient light for increased low light visibility. We designed the DXW sights to be large and highly visible; this helps solve many issues, from aging eyes to deteriorating vision. The shallow V rear has a simple, low profile that provides a wide field of view. The dot the "i" sight picture, with a tritium dot in