The Leupold trademarked Dual Dovetail system provides a classic low-profile mount for scopes on a variety of popular actions. Bases accept all Leupold rotary dovetail rings. Dovetail connections at both front and rear provide a rock-solid mounting platform. Forged and Machined steel construction. Versatile, and available for many different rifles. Maximum Accessibility (2 pc. Mounts) 2 Piece Bases (Mounts) Leupold?s(R) trademarked Dual Dovetail? system (DD Mounts) DD Bases (DD Mounts)