This scope base set is designed specifically to fit Browning X-Bolt rifles using the X-Lock mounting system. Constructed from lightweight aluminum with a matte black finish, this 2-piece mounting system weighs 3.20 oz and features a Weaver-style base interface. Engineered to provide a secure and rock-solid foundation for your optics, it includes all necessary mounting hardware for precise alignment and reliable performance. 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.