BUIS- Fiber Optic Built from rugged, lightweight materials, spring loadedUpgrade your rifle setup with dependable backup iron sights designed for quick and intuitive use. These sights feature a spring loaded push button deployment system that flips them into position instantly, giving you a fast sighting option whenever needed. The fiber optic front sight provides a bright, highly visible aiming point in daylight conditions, helping you align your shot quickly and confidently. Built from rugged, lightweight materials,