06-27-2021, 04:03 AM
OP,
Measure the breech face counter bore depth from forward face of bolt lugs to breech face to ascertain IF you have a properly machined Type II bolt.
The dimension should be .136",any measurement a few thousandths less is going to be a NoGo w/ your go headspace gauge.
montana,
It's best to have a clue,instead of guessing.
It's not Rocket Science!!
Measure the breech face counter bore depth from forward face of bolt lugs to breech face to ascertain IF you have a properly machined Type II bolt.
The dimension should be .136",any measurement a few thousandths less is going to be a NoGo w/ your go headspace gauge.
montana,
It's best to have a clue,instead of guessing.
It's not Rocket Science!!