The BS30 Multi Caliber Collimator (Boresighter) with Arbors is designed for use with pistol and rifle calibers, and helps you get on paper easily without wasting ammo or range time. This boresighter comes in a heavy-duty hard case, with replaceable arbors matching barrels ranging from .177 to .50 cal. .
Fits the Following Calibers:
UPC: 631618107029