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Member Posts: 110 ✭
I've been loading from Sierra's 4th edition manual. For 308Win it listed an accuracy load of 46.1 gr of IMR4064 for 150 gr bullets. That's what I loaded for years and it worked great for the most part. Recently I noticed they seemed a bit harsh. And not as accurate. Well the Sierra 5th edition puts 46.1 gr beyond their red line which is 45.5 for IMR4064. I like to keep the velocity around 2800fps. Am I correct to think a variance in powder formulation required this change. What I want to do is pull the ammo I have apart and recharge it. My question is, would a sensible person do this. I think I might have 40-60 rounds to do.
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