Leupold 176915 Integral Mounting System Mark IMS Black Aluminum 34mm Tube Picatinny Rail Mount

The Mark IMS family easily eliminates the two most common issues faced when mounting standard riflescopes to AR-style rifles; scope height and eye relief. This model is designed to fit AR’s MIL-spec 1913/Picatinny rail and any scope with a 34mm maintube.