Quote Originally Posted by Blckwlf View Post
I usually bottom out the barrel on the go gauge so there no rotation when tightening the nut. But I get what you're talking about, indexing the iron sights on the ML-2 barrel I put on a Model 12 action was definitely a fun one.
You can do it that way, but I don't prefer to set headspace at 0. I prefer to set it closer to +.002-.003 to make bumping the shoulder back easy. I hit the go-gauge and then bring it back a hair. Easy close on the go gauge, solid stop on the no-go.