Leupold Dual Dovetail 30MM Scope Rings are every bit as rugged and dependable as the Leupold optics theyrre intended to secure. With a huge variety of mounting systems, for nearly every type of firearm under the sun, you're sure to find the perfect match for your firearm and your style of shooting. Machined steel construction, Leupold's 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.