1" Grand Slam Rings Extra High Weaver Style Matte Finsh by WEAVER Weaver's popular Grand Slam Rings recently went under the knife for an impressive and sleek and modern new look. The four-hole design with Torx screws adds gripping strength and added security. Plus and Weaver's legendary cross-lock design provides the ultimate in scope lock-down. Made of solid steel and these rings stand strong against aggressive recoil. To top it off and Weaver's newly-designed Grand Slam Rings are proudly made to exact tolerances in the U.S.A.