This Picatinny Rail base is engineered specifically for Browning X-Bolt long action rifles. Crafted from lightweight aluminum with a matte black finish, this 1.60 oz base features a 20 MOA cant/offset for long-range performance and an integrated bubble level anti-cant feature. Designed for a secure Picatinny rail interface, it includes all mounting hardware to ensure rock-solid stability and precise alignment. 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.