SME Products Sme sight-rite bore sighter laser deluxe 17-50cal 12/20ga
-Deluxe master kit adds the capability to use on 12 to 20 gauge shotguns, .17 to .50 caliber
-Adapter kit provides stable alignment producing accurate bore sighting results
-Alignment Target & Storage Pouch included
End of Barrel Laser Bore Sighting Systems: Other Features: Includes alignment target & storage pouch.
-Durable machined aluminum construction
-Units include three LR44 lithium batteries
-No metal on metalcontact, will not scratch the finish of the barrel or damage your rifling