The steel Mark 4® cross-slot mount is purpose-built to fit Picatinny rails and scopes with 34mm maintubes. Precision-machined with meticulous attention to detail, these mounts uphold superior integrity thanks to the trusted cross-slot design. Understanding the paramount importance of the scope-firearm connection, our mounts are engineered to match the ruggedness and reliability of Leupold optics. With a diverse selection of mounting systems available, finding the perfect match for your firearm and shooting preferences is effortless. Proudly made in the USA and backed by a lifetime guarantee against defects, Leupold mounts are crafted to withstand a lifetime of rigorous use and remain steadfast in the face of adversity.