XS SIGHT SYSTEMS MINIMALIST NIGHT SIGHTS FOR GLOCK 17,19,22-24,26,27,31-36,38 XS Minimalist Tritium Night Sights feature a traditional notch and post sight picture, with a serrated non-tritium rear and a tritium front sight. The anti-glare blacked-out rear has a wide notch, to draw your eye to the front. The front sight is available in orange and is equipped with our Ember Glow Dot Technology. Ember absorbs ambient light and glows in low light. The front tritium lamp charges the Ember dot making the front sight glow brightly, keeping focus down range. Minimalist sights reduce focus on the rear sight and slide and drive shooter's attention to the front sight. Mfg: Xs Sight Systems