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Discussion Starter · #1 ·
Without digging out my manual, was assuming 300BLK headspaces on the (incredibly small) shoulder. That true?
So when I sized all my brass before I had a case gage, and now want to reload it, when I measure the headspace of the cases as compared to the SAAMI min chamber spec (I'll have to see what my chamber measures), what is an acceptable tolerance for safety? 0.005?

TD
 
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