Theopot Green Laser Bore Sight Kit,Laser Boresighter Multiple Caliber with Magnetic and Big Button Switch for All Guns

【Magnetic Connection】This laser boresighter adapts magnetic connection with circles , which can be easily connected to the muzzle of any steel barrel, without any complicated adapters or pistols as long as your guns' port is flat and magnetic. 【Clear Green Laser】Class IIIA laser, power: less than 5mW，510-520nm. Well-directed bright green laser with high visibility. even during the day,This allows for precise long distance sighting.The visibility of the green bore sight can reach 100 yards during the day and night!You can also easily rotate it without affecting its accuracy and the concentric circles on the tail magnet help to accurately determine the center position of the barrel. 【Quality Upgraded】: With Strong magnetic connection, our bore sighter kit will not scratch the rifling of barrel, also can perfectly avoiding the trouble that accidentally leaving a chambered laser bore sighting tool inside the chamber. And Our laser is built out of highly durable aviation aluminum, and powe