Leupold's steel Dual Dovetail bases and rings are one of our strongest mount systems, designed for large caliber guns with high recoils.The twist-and-lock action of the rings ensures a strong connection with the one or two-piece base.Leupold mounts are guaranteed to last a lifetime. Leupold offers an unrivaled selection of rings, mounts, and bases.Yet for every gun and scope combination, there is one ideal mounting solution.Your mounting system is the crucial link between your gun and your optic, and it's where accuracy and performance start.Leupold mounts are guaranteed to last a lifetime.