Leupold's trademarked Dual Dovetail system provides a low-profile mount for scopes on Remington Model 700, Winchester Model 70-type actions, and Browning A-Bolt-type actions. Because Leupold scopes are manufactured with ample Windage adjustment, rear Windage screws are unnecessary in this very simple, very secure mounting system.. Warrantee: "Full lifetime guarantee. If any product has defects in materials or workmanship, Leupold will, at their option, repair or replace it free. Even if you are no.