Night Fision fiber optic sights utilize fiber optic rods to provide a bright, easy-to-see aiming point. The front sight design allows for the generous gathering of ambient light, and the sights feature a blacked-out rear for instinctive front-sight-focused shooting. All Night Fision fiber optic sights feature serrations on both front and rear for optimal glare reduction.The fiber optic sights are available in two different height