Leupold 178531 Mark 4 Scope Ring Set Picatinny Rail Medium 35mm Tube Matte Black Aluminum

Leupold 178531: These rings are machined from solid steel, they offer superior integrity and tighter tolerances that are based on the proven cross-slot design. Use Leupold Mark 4 bases, QRw/PRW bases or any other Picatinny-style mount rails.