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.
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).
Catalog page 255