Weaver's popular Grand Slam Rings recently went under the knife for an impressive, sleek, and modern look to create the Steel Top Mount Rings. 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 USA.