Laser bore sighter for all .177 to .50 caliber firearms

Laser bore sighter for All.177.50 caliber firearms the laser bore sight collinator comes with 4 bore adapters fit any.177.50 caliber firearm rifle or pistol this unit installs in seconds in the firearms barrel and projects a laser beam from the center of the bore axis this allows you accurately bore align scopes iron sights of laser sights on hand guns or rifles more convenient and accurate of scope / sight alignment easy use by projecting a laser beam from the center of the barrel axis of your firearm this laser bore collinator allows you instantly and accurately set your scope or sight take the guess work out conveniently works with all.177.50 caliber rifles and hand guns. Aligning your sight the laser light emitted from the laser bore tool travels in a straight line while the bullet follows a trajectory even though the use of this device will get you started very close final sighting should be made at a range aligning your scope if you use the bore sighter tool from 20 50 meters ind...