XS DXT sights are the finest sights made for fast sight acquisition in all light conditions. It enhances sight acquisition in all light conditions and excels in high stress defensive situations.The DXT2 Big Dot Night Sights offer the best front sight visibility in all lighting conditions. It drives focus to the front sight using a high-contrast front and a V-notch rear for an unobstructed view of the front sight. The front sight uses a patent pending glow dot that absorbs light and glows in low light levels. Optic Orange is designed to offer a high-contrast sight picture when shooting in bright light conditions and maintain its visibility in decreasing light levels. The increased surface area of the convex dot increases light absorption, intensifying the charge of the glow properties of the dot. The dot-the "i" sight picture, with a tritium dot in the front sight and a tritium bar in the rear, prevents confusing the front and rear sight in high-stress situations. The wide field of view increases visibility of the front sight and of the threat downrange. NOTE: This model will not fit Springfield Hellcat OSP models.