I've got Winchester and Remington brass for numerous cartridges, which I've reloaded over 10 times, I think I've got some .308 Win Winchester brass that might be over 15 loadings.
It's more a function of how you reload and treat your brass, neck sizing, annealing, and not roof daddying the powder charge will wring far more outta your brass than any specific brand of brass.
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There are no absolutes
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