Ruger Rapid Deploy Flip Up Picatinny Rail Front Sight - The custom-designed Ruger folding Front Sight seamlessly integrates on the Ruger SR-22, the Ruger SR-556, SR-762, and other firearms with a same-plane Picatinny rail mounting system. This lightweight, polymer sight is elevation-adjustable; folds flat to make room for optics and is spring-loaded to allow for rapid deployment with the push of a button. Fits SR-22, Ruger SR-556, SR-762, And Other Firearms With A Same-Plane Picatinny Rail Low Profile Flip Up Easy Apply