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 warranty uses three 1.5 volt alkaline or silver oxide batteries type LR44/SR44 AG13 or A76/S76