Spanner if you need to full length size every time you fire the case it just proves you load to hot. What Kirby clearly says is that the hard brass like Lapua, Jamison ect will not show pressure signs until you are well into dangerous teritory, in this case it set back the action lugs in a big way before the brass showed signs of pressure. Now are you saying Kirby is wrong and this can't happen because you say so?
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