[New Flip mechanical sight] Flip mechanical sight boast an ultra-compact footprint for easy portability. They deliver a clear sight picture for faster target alignment, thus improving shooting accuracy in fast-paced firing scenarios. This low-profile flip-up iron sight protrudes only 2 inches above the rail, taking up no extra space and causing no interference with optical sights. [Red & Green Fiber Optic Aiming Dots] This set of backup front and rear iron sights adopts high-definition fiber optic technology to ensure precise alignment under all lighting conditions. Featuring dual red and green aiming dots and a dual-aperture design, it enables quick switching between close-quarters combat (CQB) and precision shooting. Full windage and elevation adjustments can be completed without any tools. [Easy Operation for Faster Aiming] Powered by a spring-loaded flip-up mechanism, this fiber optic flip-up iron sight can be activated effortlessly with a single button press. Our IOIM Aim backup iron sights come with MLOK Picatinny rails and are compatible with all rifles and shotguns. [Rugged & Durable with Premium Quality] Built with cutting-edge glass fiber reinforced nylon polymer paired with metal components, this sight delivers ultra-light weight, exceptional rigidity, enhanced shock absorption and outstanding stability. This new flip-up iron sight is extremely rugged and durable, easily withstanding heavy impact, and is suitable for various scenarios and extreme weather conditions. [Our Guarantee] This iron sight set includes 1 x front sight, 1 x rear sight, 1 x MLOK Picatinny rail, 3 x hex wrenches, 1 x plastic storage box and 1 x user manual. We are committed to providing products and services that bring 100% customer satisfaction.