Weaver Quad Lock Detachable Rings off two straps and four screws provide added gripping power. The rings are lightweight and all-aluminum. Thumbscrews allow for quick detach. These rings feature the positive dovetail locking system and boast rear mount windage adjustments. They offer maximum strength in steel construction and top-notch recoil resistance for the ultimate hold on your scope. Weaver rings can handle any scope-mounting need. Whether you're looking for our classic Weaver's original cross-lock Top Mount, windage adjustable or dovetail extension rings; we have many great options. These rings are available in a variety of choices including aircraft-grade aluminum options or Grand Slam steel, and many more.