https://i.imgur.com/Zij7dp5.jpg
Printable View
Believe the raised ridge surrounding the firing pin indent in the primers indicates a high pressure situation.
Mark
Yes. We always referred to that as “primer flow”, and it is produced by an overpressure situation.
The load that was light…were its primers cratered like that? You using VV data for 69gr Sierras? With which primers?
I have heard of folks breaking bolt handles trying to hammer an action open, but have never seen someone twist the bolt body before. You gotta back off a grain or two ;)
Andy