Sig Sauer Alpha3 30mm, 1.375in Low Rifle/MSR Mount – Sig Sauer proprietary steel alloy ALPHA3 Scope Mounts 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.

– Steel 1913 rail style clamps 
– Covered by SIG SAUER’s Infinite Guarantee