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