# Bushnell Laser Boresigher for .22-.50 Caliber This bore sighter is a precision instrument constructed of the finest materials and assembled by highly skilled craftsmen for a lifetime of trouble-free use. This laser bore sighter is designed to quickly get your rifle, handgun, or shotgun on the paper and will save you time and money. Final sighting-in should be done by shooting the firearm and fine tuning the adjustments. Its bright, battery-powered laser makes rapid, ultra-precise work of boresighting. Created to meet the demands of gunsmiths and serious shooters, it includes bore adapters for .22- through .50-caliber firearms.