Milled from 7075 T6 aluminum, this premium Quick Detach one-piece Cantilever Scope Mount is designed for and tested in harsh conditions by active SF units. Engineered to 3 microns tolerance, it far exceeds industry standards for precision in manufacture and long range shot repeatability, ensuring tight groups and consistent accuracy. Tier Ones unique single-operation machining process eliminates retooling inaccuracies found in other optic mounts. The Cantilever is built for heavy recoil, compatible with 30mm to 36mm scopes, and features an anti-cant bubble.