Had a fella give me 1000 CCI #400 small rifle primers. Anyone have first hand
experience using these in their AR? Been reading some info on the net - it's 50-50 on them, some folks say thats all they've used for years and no problems and others said they have had slam fires because they are soft.
I've always thought CCI's are the hardest of primers. I know CCI make the mil-spec primers, I'm asking about the #400's.

If anyone loads with these place let me know your thoughts.

Thanks a bunch
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