NcStar VISM Pro Series Flip-Up Rear Sight - Adjustable Picatinny Mount

The NcStar VISM Pro Series Flip-Up Rear Sight is a low-profile, spring-loaded backup sight designed for rifles and pistols. It features a dual aperture (large and small) that is fully adjustable for windage, and folds flat to fit under most optics. Mounts securely to Picatinny rails. Constructed with an aluminum main body and steel windage knob and adjustment screw. Deploys with the push of a button and folds flat when not in use. Windage adjustments are made easy with the knurled windage knob, allowing you to fine-tune your point of aim. This versatile backup sight is a reliable sighting system for any rifle or pistol equipped with a Picatinny rail.