Well I wish I knew!
But I think they are measuring in point what ever inches, like .170". As to how it pertains to your sight picture, and the aim of your bore, there is the question.
I don't have one, but I know there are laser bore sights, so you can see and adjust your sights to match where they hit at certain distances, before even shooting them.
But I think they are measuring in point what ever inches, like .170". As to how it pertains to your sight picture, and the aim of your bore, there is the question.
I don't have one, but I know there are laser bore sights, so you can see and adjust your sights to match where they hit at certain distances, before even shooting them.