Weaver?s popular Grand Slam Rings revamped for an impressive sleek modern new look. Weaver?s legendary cross – lock design provides the ultimate in scope lock-down. Made of solid steel these rings stand strong against aggressive recoil. these rings feature the positive dovetail locking system and boast rear mount windage adustments. They offer maximum strength in steel construction and top-notch recoil resistance for the ultimate hold on your scope.