Product DescriptionBrowning X-Bolt X-Lock 30mm Intermediate Height Integrated Mounting System - 12511
Fits Browning X-Bolt Rifles. Features a system that uses four screws per base replacing the traditional two-screw system. Integrated scope mounts unitize the ring and base into a single unit machined from 7000 series aluminum and eliminate alignment problems and possible loose connections between bases and rings. X-Lock bases can also use standard Browning rings. Made in the USA.