Provided they both pass the go / no-go test... AND both chamber rounds without resistance.

Something you can check after that...

1) actual headspace to the chamber collar (belt) - With each bolt...

Put a piece of scotch tape on the back of the go gauge, trim it with a exacto knife so it doesn’t extend past the edge and chamber it... if it goes (chambers with no resistance) Add a second piece of tape, and repeat until you can’t chamber it... know you know how much room (headspace) you have with each bolt based on a known increment of thickness. If you have a micrometer you can check the thickness of the tape.

This will tell you how the bolts compare inside the go/ no-go range.


2). Fire a couple of rounds with each bolt (same brass lot).. and use a hornady headspace gauge to compare how far the shoulder moves forward with each bolt, when comparing the results it should be close or match the results from above because it mirrors bolt face to shoulder..