Christensen Arms PRSR Cantilever Scope Mount features a 30mm tube diameter and 1.40 mount height designed for rifle platform firearms. Constructed with a black anodized finish, this one-piece cantilever mount weighs 0.50 lb and provides a 0 MOA offset. It interfaces with standard Picatinny rails and includes scope rings for optic installation. Safety Note Always ensure the firearm is unloaded before installing or adjusting any optics or bases. Verify proper torque specifications during installation. Improper mounting may affect accuracy and safety.