I built myself a 308 a few weeks back and yesterday got around to shooting it. I used Ramshot Big Game, 168 Sierra MK, Federal brass. I used WLRM primers. I always get better results with magnum primers when using ball powder. Here is what the chrono says.
Charlie
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The data and opinions contained in these posts are the results of experiences with my equipment. NO CONCLUSIONS SHOULD BE DRAWN FROM ANY DATA PRESENTED, DO NOT, UNDER ANY CIRCUMSTANCES, ATTEMPT TO REPLICATE THESE RESULTSj