When I can find 500 pc lots I buy 284 Win brass. Use it for 284 and 6.5x284 (and previously 6mmx284). I do sort them by weight for batchs, but have personally never had a brass problem.
JMHO
Tim


"The significant problems we face cannot be solved at the same level of thinking we were at when we created them."
Albert Einstein

At Khe Sanh a sign read "For those who fight for it, life has a flavor the protected never knew".