BOOLIT EYE 17HMR/.177 Cal Special Laser Boresighter End Barrel Laser Bore Sight Accurately and Easy to Fit Revolvers Pistols Rifle and Air Guns(17HMR/.177CAL)

This is a special laser boresighter for the .17CAL pistol or rifle. It is directly into the barrel and so easy to use. That is a tool to help you adjust your range and set your firearms on the target ...