Burris Signature Rings set the industry standard for quality. They have a reputation for reliable performance in any weather or shooting circumstance. - Available for all types of optics and bases - Solid steel rings ideal for hunting - Pos-Align Inserts offer tremendous gripping power and durability and will not damage the scope finish - Available in 1-in. and 30 mm sizes - Works with standard dovetail double-dovetail and Weaver-style bases - Proven design has stood the test of time - Covered by the Burris Forever Warranty