Made in collaboration with Warne - 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.