Browning X-Lock High 34mm Integrated Scope Mount System For X-Bolt 12539

Integrated Scope Mounts unitize the ring and base into a single unit machined from 7000 series aluminum and eliminate alignment problems and possible loose connections between bases and rings. Use the 0.400" Low ring height for scopes up to a 44mm objective with a standard barrel contour. Use the 0.500" Medium ring height for scopes up to a 50mm objective with a standard barrel contour. Use the 0.600" High ring height for scopes up to a 56mm objective with a standard barrel contour. Securely mounted optics are essential to the accuracy and precision of any rifle. To ensure the X-Lock scope mounting system that uses four screws per base, replacing the traditional two-screw system. The scope bases are secured at all four corners for more accurate placement on the receiver. This X-Lock system holds the base tighter to the rifle than ever before.