XS Sights DXT2 Big Dot Night Sight Fits Glock 20, 21, 29, 30, 30S, 37, 40, and 41 (Orange)The XS Sights DXT2 Orange Night Sight for Glock 20, 21, 29, 30, 30S, 37, 40, and 41 is a tritium night sight specifically crafted to enhance the performance of your EDC pistol. These defensive Glock sights are meticulously designed with features to ensure optimal visibility in low light conditions. The front sight utilizes a unique photoluminescent Glow Dot, which absorbs surrounding light and emits a gentle glow when lighting is limited. The convex