Warne Maxima Quick Detachable Matte Rings for Weaver Style BaseThe 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