The Leupold BackCountry Cross Slot Rings are crafted from ultra-lightweight 7075-T6 aluminum with a milled-in recoil lug and a low-profile keeper screw, making it one of our toughest and most lightweight hunting-style mounts. The BackCountry cross-slot rings are compatible with both Picatinny and Weaver-style bases. The link between your scope and firearm is essential, which is why the BackCountry Cross Slot Rings are engineered to be as rugged and reliable as any Leupold product. With a wide range of sizes and height options available, you’ll find the perfect fit for your firearm and shooting style. Proudly made in the USA and built to endure a lifetime of use, Leupold mounts are designed for uncompromising performance.