15 piece boresighter kit puts you "on the paper" without a single shot. Includes 15 arbors for all popular calibers ranging from .177 to .50 cal. Easily align the crosshairs and barrel bore before final zeroing. Perfect for verifying accuracy after traveling and storage.
Specifications:

Type	Boresighter
Caliber	Multiple
Style	Kit
Material	Metal
Quantity	15 Studs
Battery	None
Mount