450Bushmaster.net

Good write-up but as the late Ed Matunas stated by the time the brass starts showing primer and head swipes it could be overpressure. He stated that case head expansion was a better indicator. I would be interested to see case head and swipes measured against a pressure transducer.
https://www.shootingsoftware.com/index.htm
Prices are less than a quality upper.

Then we could have a good visual reference.