The Leupold Mark 4 Rings are built from solid steel for maximum durability and are designed to fit Picatinny rails. Machined with precise tolerances, these rings deliver superior integrity and stability, utilizing the proven cross-slot design for a rock-solid connection. A secure scope is essential for accuracy, and Leupold ensures that these scope rings are just as rugged and dependable as any Leupold product. With a wide selection of ring diameters and heights, you can find the perfect fit for your firearm and shooting style. Proudly made in the USA and backed by Leupold’s Lifetime Guarantee, the Leupold Mark 4 Rings are built to withstand the toughest conditions, ensuring a lifetime of accuracy and performance.