Not sure if this is right forum, but here goes. I deprimed my LC brass and ss pin tumbled it. Cases were then trimmed. I swaged the primer pockets with the RCBS tool. I then used the Lyman case prep center primer crimp remover just to make sure. I uniformed the primer pocket depth. I even used the debur tool on the Lyman to put a slight bevel on the primer pocket opening.
I prime using a hand held RCBS priming tool. After all that prep I have about 5% of cases that there is no way to seat a primer into the case. No way. primer wont go it, and if it does it gets terrible deformed and is not fully seated and in some cases is damaged. What is up with this?