Thread: Over pressure signs when there wasnt any before

Flat primers is a sign to watch out for but not the most telling.
What about other pressure signs ?
how was the bolt lift after firing ?
There does not appear to be ejector stamp mark or swipe marks on the case above.
As @stug mentions above, are you seeing a change in muzzle velocity ?
Have you weighed the brass to check how much variation between cases ? Some brands can vary quite a bit. Heavy cases = thick brass = less internal volume = more pressure for same load.