As long as your brass is under maximum length, you are OK. I have a 300 H&H. Max case length is 2.85, trim to 2.84. All 500+ rounds of brand new, virgin, W-W Super brass that I own averages about 2.825! That is .015 UNDER minimum spec! I called Olin in West Alton a few years back, and they said minimum spec is even LESS before they shut the line down and fix the problem!!! On the other hand, I sure can't notice a difference. It shoots well with no adverse effects. Good luck.
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