Warne Mountain Tech is the ideal lightweight precision scope mounting system. The rings are precision CNC machined from 7075-T6 aluminum for a high strength and lightweight platform with a Mil-Spec hardcoat anodized finish for abrasion and corrosion resistance. They are compatible with Picatinny and Weaver style mounts and feature stainless steel hardware for "Element Proof" protection.This model has a medium mount height and is compatible with your 30" tube diameter scope.