CHRIS MOUNT CANTILEVER 30MM 0MOA Made in collaboration with Warne Precision CNC machined from 6061 T6 aluminum for a lightweight and rigid foundation. Hardcoat anodized finish for abrasion and corrosion resistance. Rings feature stainless steel hardware for "Element Proof" protection. Standard 1/2" nut attachments to ensure secure and consistent clamping force. Fits Picatinny style mounts. MSR Ideal Height for 1" or 30MM scopes.