Quote Originally Posted by Kirk View Post
I use the Go & No Go. I have encountered one rifle where the bolt failed to close on a Go gauge & it had to be finish chambered. I prefer the No Go vs. the Field Reject gauge as the tolerance is tighter; if there is a problem, I'd like to know about it "sooner rather than later".
If the rifle passes the field guage there is no problem. The bolt is tight enough. It is safe, it does not affect accuracy, and head space changes very little over time, even with lots of rounds fired.