I have a Robert Louis bore laser that I have used extensively and have come to trust it. The laser does not lie. That said, I think you might want to try mounting the gun to your shoulder with the laser installed. The results might be different. Testing barrels for regulation as you have done is quite different that learning point of impact from a shouldered gun but both are useful.
I had a VH that had terrible barrel alignment but have a PH that is pretty good. All of my repros (4) are very good. The best I have tested is a CSMC RBL 20.
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