Doing some research made me recall what rounds were failing... I am sure they were my handloads, with CCI primers. These handloads were made with Lee Full-Length Sizing Dies. I wonder if the full-length resizing I did set the shoulders back a little too far and I have a slightly more generous headspace in my chamber in the Savage? Could be the round is "scooting ahead" in the chamber under the impact of the firing pin.
I will also measure my firing pin protrusion and report that back here. I am using a Lyman Case Length Gauge to evaluate the re-sizing of my rounds.
Keep in mind I reload those for the ARs, never having intended on using them in the bolt gun... I have 60 shells once-fired in the Axis... I will neck size these and shoot them to see if they all fire with the CCI primers. If so, I may have my answer.
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