Description Our proprietary steel alloy ALPHA MSR Scope Mounts are machined with an exactness that is both strong yet ductile that allows our 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. Features Steel 1913 style clamps Covered by SIG SAUER&';s Infinite Guarantee Torq specifications for Alpha MSR Scope Mounts: To Rail (1/2in Nut): 65in/lbs To Scope (T15-TORX): 25in/lbs