Leupold Standard Extension Rings were specifically designed for use with Leupold's line of STD one- and two-piece mounting bases. These extension rings are available in five different heights to ensure versatility - with this many options you can choose the model that is right for you and your scope.
In addition to being durably constructed from machined steel Leupold Standard Extension Rings deliver tight tolerances and give you an additional 5/8 inches of ring spacing so you are able to lengthen or shorten your ring spacing to suit your particular scope. These rings are available for both 30 millimeter and 1-inch tubes.
