Hi,
We just noticed this in the last few weeks. We have had numbers of these fail in moderate 308w loads recently in target shooting, So 1~3 failures per bag on 12. It looks like the current winchester primers are crap. Try a lighter load, we dropped from 45gr 2208 to 44.5 and find we seem to be mostly ok. If we go hotter to get out to 1000m though we get more failures.
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