BARSKA Iron Boresighter Kit by Barska AW11076

The Iron Boresighter kit uses a 15 -piece arbor set that ranges from .177 to .50 caliber and ensures precise bullet placement from the get go These boresighter fit snugly in the rifle barrel to eliminate any "play" that can result in an inaccurate boresighting adjustment and poor shooting accuracy. To use the boresighter reticle adjust the windage and elevation turrets until cross hairs line up with the center boresighter's grid. Includes hard carrying case.