The Leupold BackCountry Cross-Slot Base provides a lightweight, one-piece mounting platform for Remington 700 Long Action rifles. Its adaptable configuration includes both 8-40 and 6-48 screw sets, while the cross-slot rail accepts Picatinny- and Weaver-style scope rings. The 20 MOA cant supports optics setups requiring additional elevation adjustment.Specifications and Features: Fits Remington 700 Long Action rifles 20 MOA one-piece cross-slot base Accepts Picatinny- and Weaver-style rings 7075-T6 aluminum construction Includes 8-40 and 6-48 screw sets Matte black finish Product weight: 1.8 oz