Hi, I have reloaded some rounds and after firing 10 rounds I saw that all the shoulders had some dents.
The first 5 rounds were loaded with 40 grains and the second 5 was loaded with 41 grains of powder (Somchem S335).
Somchem specks are: 150gr PMP SP
Start 39.8 2 459 61.8
Max 44.2 2 795 63.2...