Sig Sauer Alpha Hunting Riflescope Rings, Precision Machined Steel, set of 2, 1" Medium. Proprietary steel alloy Alpha Hunting Rings are machined with an exactness that is both strong yet ductile and that allows rings to form around a riflescope, yet will not damage scope under proper installation. The steel rings are epoxy powder coated to prevent oxidation and resist gun oils, cleaning solutions, and outdoor exposure. Weaver style rings. Covered by Sig Sauer Infinite Guarantee.