Aalf The primers I have make no mention of being magnum. Nowhere. Neither on the case box or the individual boxes. I would speculate that if they were considered “magnum” then Remington would have noted that somewhere on the package. But who knows......we are talking about Remington..  Charlie
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
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