Leupold BackCountry cross-slot bases represent the pinnacle of mount craftsmanship, constructed from 7075-T6 aluminum to provide exceptional durability and lightness. This specific BackCountry cross-slot base is precisely tailored to fit a browning X-bolt long action and is compatible with both picatinny- and Weaver-style rings. The connection between your scope and firearm is of paramount importance, which is why our mounts are engineered to be as sturdy and reliable as the Leupold optics they secure. With an extensive selection of mounting systems to choose from, you can be confident in finding the perfect match for your firearm and shooting style. Manufactured in the USA and backed by a lifetime of durability, Leupold mounts are a trustworthy choice that will never disappoint.