Made in collaboration with Warne - Precision CNC machined from 7075/T6 aluminum for a high strength & lightweight 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 1 and 30mm tube sizes; in Low Medium and High; For maximum compatibility with most scope/firearm combinations.