A couple months ago I purchased a Hornady concentric gauge. I have to say the results for me are as good as it gets. With every answer, comes more questions.
For those of you that use the Sinclair type where the center of the case is the basis for measuring the run out of a bullet. On the Hornady, the basis for measuring is off the back of the case and the point of the bullet, where it not relying on the case body. I question if the readings from the sinclair can be the same as the Hornady. I get shoulder and neck run out, but the bullet is within the .002 I have decided on as a limit.
I will say, the results when shooting my varmint rifles, is that I have been able to do away with fliers, as log as run out is .002 or less. I hope someone has an explanation for the readings with the two types of run out gauges.
Last edited by FredWillis; 04/11/14.
