The item seen is not what i got - SightMark Triple Duty Universal Laser Bore Sight

My laser sight does not have the cone in the middle for positive alignment, mine is flat base with a few circles. I am going to guess that I guess it is set right. If you wear glasses use them to see if you are some where centered. If in fact I am missing, I do not think so the package was sealed, I guess I will ask around for the use. I was hoping to fined a real down the bore bore sight, but I could not find one.