Sig Sauer Alpha1 1in, .85in Low Rifle/MSR Mount – Sig Sauer proprietary aluminum alloy ALPHA Hunting Rings are machined with an exactness that is both strong yet ductile that allows their 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.

– Aluminum 1913 rail rings 
– Covered by SIG SAUER’s Infnite Guarantee