Rock Solid Mounting; Smooth, Snag-Free Style
Two, socket head cap screws positively clamp these steel rings to any Weaver-style base. Gives a nicely finished look. Steel recoil pin controls recoil in both directions. Vertically split rings.
Big Book Catalog, Issue:67, Page:263
SPECS: Steel, powder coated Black (Reg.), Matte blue (Matte), or Silver Alloy in matte Silver (Silver) finish. Height measured from top of base to inside bottom of ring. Available in Low, .250" (6.35mm); Medium, .375" (9.5mm); High, .525" (13.3mm).