Outdoor Red Laser Dot BoreSighter Bore Sight kit for 0.22 0.50 Caliber Rifles

Laser Bore Sight Collimator For any 0.22 to 0.50 Handguns, Rifles, Sights and Riflescopes More convenient and accurate than scope and sight alignment. Easy to use! 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. It conveniently works with all 22-50 caliber rifles and pistols even after a long trip.
Specification¡G
<1mW Class II Laser 4 Bore Adjustable Adapters to Fit all 22-50 Caliber Pistols and Riles Length: 155mm, Head Dia.: 16mm, Tail Dia.: 5mm The laser bore sight collimator is with 4 bore adapters to fit any .22 to .50 caliber firearm.
This unit installs in the barrel of the firearm and projects a laser beam from the center of the bore axis. This allows the accurate bore alignment of scopes, iron sights or laser sights on handguns and riles.
Use of the laser bore sight collimator¡G First install the screw onto the adapters(the longest screw into the two larger adapters and the shorter screw into the two smaller adapters)
For Iron Sight Firearms¡G Adjust the sights to place the projected laser dot on top of the front sight blade.
The distance for sighting-iron sights is not near as critical, however the greater the distance, the greater the accuracy.
Package Include:
Laser Bore (with battery compartment) Four Adjustable Adapters Screws and Hex key Three Pieces Batteries