Class IIIA laser, less than 5mW
Made to fit the 12-Gauge chamber, caliber specific
Comes with 1 set batteries (3 AG13 batteries) which can last one and half an hour.
Easy to sit perfectly in the bore. Sturdy brass construction. Fast gun zeroing and sighting.
High accuracy to reduce cartridges and shells wasted, sighting range of the bore sight is 15 to 100 yards.