The Axeon Absolute Zero makes sighting in your rifle easy. Using two precision lasers it guarantees you hold your rifle in the exact same place for each shot completely eliminating hold error. Scope Mount fits 1-inch and 30mm scope tubes. Its the quickest, most efficient, most accurate way to find your zero at 25 yards giving you the ability to sight in your rifle at 100 yards in just two more shots. It works across multiple platforms and calibers.