#1 Front & Rear Set Flip Up Back Up Sights Rails DARK EARTH Introducing our new slim Flip up front and rear sight compatible with long gun applications making it more versatile for you. Quality of our Sight is assured as it is Composed of aircraft grade aluminum with black anodize enhancing its durability, effectiveness and making it more long lasting. One of the best feature of our Flip-up Sight is that it is very easy to install and unlock, you can fold down when it is not in use. Convenient as you just have to compress plunger. Accompanied with robust posi-lock plunger coupled with spring activated ball bearing which guarantees zero retention making your aim more precise and stable. Rear sight perfect for engaging in moving targets, ideal in limited visibility or normal firing situations complete with dual aiming apertures, accompanied with low Profile 3mm locking bolt and mounting deck securely attaches to any pica tinny rail.