to be truthful NO,, the problem is with the front sight frame, there is no standard for them, some are warped, some have the ears on one side higher than the other, its very hard to compare 2 and come out even, they are used "as cast" no machine work done to make them strait, its what ever come out of the mold,
to set them up. I chuck the barrel between centers in a lathe, and use that to scribe a strait line centered on the gas port. then scribe a line on the sight frame, from the gas tube hole down,
then put the sight tower on the barrel and line these two lines up. that way the sight tower is centered on the barrel, but who knows if the tower is bent or not ,