Leupold BackCountry cross-slot bases are crafted from 7075-T6 aluminum, offering an ideal balance of lightweight design and rugged durability. Specifically designed to fit the Browning X-Bolt Short Action, this base accommodates both Picatinny and Weaver-style rings, ensuring versatile compatibility with various optics. When it comes to securing your scope to your firearm, the importance of a reliable, sturdy mount cannot be overstated. Leupold mounts deliver unmatched ruggedness and dependability, backed by a lifetime guarantee. Made in the USA, these mounts are designed to withstand years of hard use, ensuring your optics remain secure, no matter the challenge.