Burris Ruger-to-Weaver Base Adapter converts Ruger Integral Mount System receivers to accept Weaver-style scope rings and accessories. Precision-engineered from durable steel with a matte black finish, this base set is designed specifically for Ruger M77 and Super Redhawk rifle platforms. It adapts proprietary receiver cuts into a standard Weaver rail interface, offering a stable and secure foundation for optics mounting. No rings are included. Safety Note Always ensure the firearm is unloaded before installing or adjusting any optics or bases. Verify proper torque specifications during installation. Improper mounting may affect accuracy and safety.