Leupold BackCountry cross-slot bases are crafted from 7075-T6 aluminum, making them among the lightest and most rugged mounts available. Specifically designed to fit the Nosler M48 Long Action, this cross-slot base accepts both Picatinny and Weaver-style rings, providing versatility for your mounting needs. The connection between your scope and firearm is critical, which is why Leupold mounts are built to be as rugged and dependable as the optics they support. With a wide variety of mounting systems to choose from, you can easily find the perfect match for your firearm and shooting style. Proudly made in the USA, Leupold mounts are engineered to withstand a lifetime of use, ensuring durability and performance you can trust. Upgrade your shooting setup with the Leupold BackCountry cross-slot bases and experience the reliability and precision that come with high-quality craftsmanship.