Hi,
Thanks for your detailed reply.
In my opinion the Ginex is much harder than the Murom primers. The Ginex are difficult to set at the right depth, because they are much harder, and if not set deep enough, they will cause a light strike.
Murom is much softer for me. As I mentioned in the initial post, the rounds with the same load and same specs, fired with Murom, in the same gun are not showing this ' crater ' or ' round area ' surrounding the firing pin hole.
The gun is a 9mm 2011.
If its no over pressure, I am happy. Still it is surprising me the Murom loaded rounds show a normal deep hole, and the Ginex show the primers I showed on the pictures in this thread