Weaver's popular Grand Slam Rings went under the knife for an impressive sleek modern 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.