Bushnell Laser Bore Sighter with Battery and Arbors

Its bright, battery-powered laser makes rapid, ultra-precise work of boresighting. Created to meet the demands of gunsmiths and serious shooters, it includes arbors for .22 through .50 caliber firearms. 3 LR44 batteries included. Limited two-year mfg warrantyuses three 1.5 volt alkaline or silver oxide batteries, type LR44/SR44, AG13 or A76/S76