Use as a high-quality alternative to ringmounts sold by firearms manufacturers and as a no-tap mounting method. Because these rings are machined from solid steel, they offer superior integrity and tighter tolerances.
Big Book Catalog, Issue:67, Page:257
New Product Supplement, Issue:593, Page:024
Sinclair, Issue:4B, Page:204
SPECS: Steel, high-polish blue. Torx head wrench included. Height measured from top of base to center of ring.