30 mm scope ring with synthetic material reducer rings for 25 mm tube, mounts to any 11 mm Weaver or Picatinny base via two allen screws and one ring is equipped with a stop. 4 Allen screws close the ring tightly. It is recommended to use a threadlocker (not included) if mounted on large caliber weapons.
Measures:
Total height: 56 mm
Base-ring height: 21 mm