The Talley RMRM70 Base provides a precise, high-strength mounting solution for Trijicon RMR and other RMR-footprint optics on Winchester Model 70 Standard Action rifles with .860" rear hole spacing. Machined for exceptional fit and alignment, this base ensures a secure, low-profile installation that maintains zero through recoil and field use. Its streamlined design offers optimal sight height for fast, intuitive target acquisition, making it ideal for hunters and shooters who want to equip their Model 70 with a modern, compact red-dot sight. Built for reliability and long-term durability, the Talley RMRM70 is a purpose-engineered upgrade for enhancing speed and accuracy on the legendary Winchester 70 platform.