Too Much Pressure??
I have loaded for a couple different 300 whisper rifles that I have but I just built a new one on a savage action. Today was the first day Ive had it at the range and the first time I pulled the trigger the round went down range and the case is stuck in the chamber. When I got it home I used the cleaning rod to pop the case out (hardly any pressure). The case is black on the bottom and you can't even read the head stamp. The primer is not blown out or pierced. I look at the side of the case and there is a small crack just above the rim that goes about halfway around the case. The brass is once fired LC 223 brass that I formed and had never been fired in a whisper. Is this pressure signs or just weak brass???
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