Golden Future Laser Bore Sighter .22 to .50 Caliber

The laser bore sight collimator is with 4 bore adapters to fit any .22 to .50 caliber firearm. This unit is installed in the barrel of the firearm and projects 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 rifles.Specification:Less than 1mW Class II Laser4 bore adjustable adapters to fit all 0.22-0.50 Caliber pistols and riflesDimension: 155(H)*16(D) mmWeight: 179g