It does sound like headspace and you may have to take a touch off the shell holder.Do you have a way of measuring base to shoulder on the csae? and were the rp and hornady fired in the same rifle?
It does sound like headspace and you may have to take a touch off the shell holder.Do you have a way of measuring base to shoulder on the csae? and were the rp and hornady fired in the same rifle?
Just a slopy retrobate
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