Grand Slam Windage 1 Med Matte Rings Weaver 49318 Weaver's popular Grand Slam Windage Adjustable Rings now sport an impressive, sleek, modern look They extend windage adjustment range when sighting in your scope 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,, these rings stand strong against aggressive recoil