XS Sights DXW2 Big Dot Night Sight, Yellow Dot, Fits Glock 42, 43, 43X, 48

XS DXW2 Big Dot Night Sights offer the best front sight visibility in all lighting conditions. DXW2 Big Dot sights drive focus to the front sight using an industry leading large, high-contrast front and a low profile V-notch rear. DXW2 Big Dot front sights use a patent pending glow dot that absorbs light and glows in low light levels before it is dark enough to see the tritium. Optic Yellow is the best option for low light and has the brightest glow intensity. Primarily based on the white light