Use Leupold precision fit PRW2 Rings as a high-quality alternative to ringmounts sold by firearms manufacturers. Because 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 quick release QRW bases or any other Picatinny-style mount rails. Solid steel construction / extreme recoil tested Precision machined for perfect alignment Universal cross-slot compatibility fits Weaver & Picatinny rails Permanent attach rings - accuracy brought to the cross-slot format Low profile design for streamlined look and feel