SIG's proprietary steel alloy ALPHA3 Scope Mounts are machined with an exactness that is both strong yet ductile that allows the 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.
Sig Sauer, ALPHA3, One Piece Mount, 34mm Rings, 1.535 inch height, 0 MOA Elevation, Black Color, Epoxy Powder Coat Finish, Fits Picatinny Rail