Talley Scope Mount/Ring Combo features a 30mm tube diameter and low mount height (0.440 front / 0.542 rear). Designed for Browning X-Bolt short and super short action receivers, this 2-piece set of unitized ring-and-base structures weighs 2.30 oz and provides 20 MOA offset. Finished in black anodized, it includes scope rings and mounting hardware that directly mount to factory-drilled receivers using included 6-48 screws without a separate rail. 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.