Vortex Optics Tactical 30mm Riflescope Ring — Absolute Co-Witness [1.46 Inches | 37.0 mm]
Ring is perfect for mounting red-dot optics, magnifiers, and other accessories with 30mm tube diameters to your Picatinny rail. When using this ring to mount a conventional scope, we strongly recommend lapping the rings for a proper and secure fit for your optic.