Bushnell Laser Boresighter with Arbors for 0.22-0.50 Caliber Firearms & ShotgunsThis 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 bore