Leupold's steel Dual Dovetail bases and rings are one of our strongest mount systems, designed for large caliber rifles with high recoils. The twist-and-lock action of the rings ensures a strong connection with the one or two-piece base.Leupold's steel dual dovetail bases and rings are one of our strongest mount systems, designed for large caliber rifles with high recoils. The twist-and-lock action of the rings ensures a strong connection with the one or two-piece base. Features: Forged and machined steel construction Versatile, and available for many different rifles 2-piece bases offer maximum accessibility to the breech area of your rifle 2-piece bases fit right and left-hand actions, and reversible bases are available for many actions Leupold's trademarked dual dovetail system provides a classic low-profile mount for scopes on a variety of popular actions Dual dovetail bases accept all Leupold rotary dovetail rings