Weaver-style rings feature a strong cross-slot design that offers excellent recoil protection easy installation and removal. These rings fit any Weaver-style rail and most Picatinny-style rails as well. – Material: a proprietary aluminum alloy developed by Durasight – Style: Weaver (cross-slot) – Ring Diameter: 1 – Ring Height: Medium .375 High .5 (measured from base of ring to bottom of scope tube)