Enhance your Glock 36 with the XS Sights R3D Night Sights crafted from durable CNC machined steel with a sleek black frame. Designed specifically for handguns this 3-dot sight set features tritium front and rear materials to provide reliable visibility in any lighting condition. The front sight is equipped with a proprietary photoluminescent Glow Dot which absorbs ambient light and emits a bright glow in low-light situations. The blacked-out rear sight features two tritium dots ensuring accurate sight alignment without overpowering the front sight. The brighter tritium vial in the front draws your focus downrange ensuring quick and accurate target acquisition. With these night sights stay prepared and confident no matter the time of day. Front sight dimensions are 0.500 inches in length 0.145 inches in width and 0.387 inches in height while the rear sight measures 0.346 inches in length 0.690 inches in width and 0.500 inches in height.