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 Grand Slam Rings are proudly made to exact tolerances in the U.S.A. No-Slip/No-Strip Torx Head Screws Integrated Square Recoil Lug Fits Weaver Style Bases