Laer bore sight collimator for any 0.22 to 0.50 handguns, rifles and riflescopes. By projecting a laser beam from the center of the barrel axis of your firearm, this laser bore sight collimator allows you to instantly and accurately set your sight or scope.
Specification:

• <1mW class II laser
• 4 Bore adjustable adapters to fit all .22-50 Caliber pistols and rifles.