Weaver Detachable Top Mount Rings will hold zero under the most jarring magnum caliber recoil. By loosening the thumb nuts, the scope can be removed from the base and iron sights used. Return the scope to the base, tighten the thumb nuts, and the scope will be very close to zero. These rings are precision machined from aluminum with steel top straps and hardware.
Specifications and Features:
Aluminum construction with steel top straps and hardware
For 30mm scope tubes