Leupold mounts are every bit as rugged and dependable as the Leupold optics they're intended to secure. With a huge variety of mounting systems, for nearly every type of firearm under the sun, you're sure to find the perfect match for you firearm, and your style of shooting.Specifications and Features:Machined steel constructionVersatile, available for many different riflesForward part of the base accepts a dovetail ring, locking it solidly into positionRear ring is secured by windage adjustment screwsSTD rings are engineered to match up with STD 1-Piece and STD 2-Piece bases1" RingSuper High Height 1.00"Matte Finish