Rugged, all-steel rings fit rifles with 3⁄8" or 11mm dovetail grooves. Reversible clamp flips to give you .010" nominal adjustment to ensure tight clamping. Ring straps secured with two screws each. Available in Matte and Gloss Black.
SPECS: Steel, powder coated, black, matte or gloss finish. Height measured from top of base to inside, bottom of ring. Medium – .406" (10.3mm) nominal high. High - .525" (13.3mm) nominal high.
Catalog page 254