XS DXT2 Big Dot Tritium Night Sights offer superb front sight visibility in all lighting conditions. DXT2 Big Dot sights drive focus to the front sight using a high-contrast front and a V-notch rear for an unobstructed view of the front sight. Fits Glock 42, 43, 43X, & 48.

Features:Tritium powered front and rear sight;Big Dot remains visible under stress;V-Notch rear sight provides a large FOV;Rear sight ledge aids in one-handed slide manipulations;High-contrast color designed for maximum visibility in bright to low light