The Rimfire rings are designed to fit a very wide selection of rifles with either a 3/8″” or 11mm dovetail. This is made possible by using a solid asymmetrical reversible clamp that can be flipped 180 degree and used on wider or narrower dovetails for the best fit.
Warne Scope Mounts 7.3 Series Permanent Ring, 1″, Medium Rimfire Rings, Matte Finish 721M