Precision CNC machined from 7075/T6 aluminum for a high strength precision platform.; 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 and are NATO-STANAG compatible.; Available for 30mm and 34mm tube sizes; in Medium and High; for maximum compatibility with most scope/firearm combinations.; Includes removable anti-cant bubble level system to ensure your rifle is perfectly level for shot-after-shot accuracy.