Weaver's popular Grand Slam Rings were recently 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. Their Windage Adjustable Rings allow for a range of crosshair movement" right and left" when sighting in your scope. To top it off" Weaver's newly-designed Grand Slam Rings are proudly made to exact tolerances in the U.S.A.