The GG&G Flip To Side Magnifier Mount allows the shooter to go from long range target engagement to CQB engagement distances with just a simple flip to the side motion. The base of the magnifier mount only takes up 1-3/4 inches of rail surface. Manufactured to take the rigors of combat environments.Features:Design provides smooth integrated appearanceFits most magnifiers with 30mm tubesWill clear most backup iron sights6061 T6 aluminum construction