I'm well aware that blown primers are not normal and not safe. What I am asking is what chambers shooters are having problems with to see if there is data to support a trend.
How does over-gassing contribute to blown primers?
Printable View
I know you know Mist; The strong advice was for the OP. :cool:
The barrel in my story was a Wylde. It does seem to show slightly more pressure signs than true 5.56 chambers, but nothing to worry about.
Not exactly sure, but I suspect the early extraction leaves the primer partially unsupported while still under some amount of pressure.
I have recovered primerless empties at the "scene" of a popped primer incident. Tolerance on the primer pocket diameter is .1738 / .1745. I have measured some of these as large as .180, so it's no wonder the primers fall out upon extraction!