Maxima Quick Detach Rings are the most durable and versatile quick detachable mounting system available. Each ring is precision CNC machined from sintered steel technology, a process that allows intricate steel parts to be formed and then fired. This retains the strength properties of steel while adding the necessary ductility that scope mounts require for perfect grip contact around the circumference of the scope.The Maxima QD rings sport the unique Warne indexable lever system which allows the user to remove the optics from the rifle then reattach it without the loss of zero, as well as allowing the location of the lever to be indexed once the rings are affixed to the bases.After the levers are tightened, simply pull out on the lever, turn it to the desired location then let it snap into place. When used on the all steel Warne Maxima bases, we guarantee return to zero accuracy when removing and reattaching the optics. Unique to the industry, the Maxima QD has a square stainless steel recoil control key. This ensures a positive recoil engagement surface across the full width and depth of the recoil slot in the base. The recoil control key guarantees the position of the rings will not shift or move under fierce recoil and also protects against peening or swaging when mounted on aluminum bases. Warne Maxima scope rings are designed to fit Warne bases as well as all Weaver cross slot and Mil-Spec Picatinny style bases and rails.