94 posts · Joined 2013. #1 · Aug 3, 2013. My new Dillon 550 is humming along really great. Money well spent. However, I noticed many of the primers get shallow small dents or depressions on the loaded rounds. Federal SP primers are supposed to be softer than other brands, but I wouldn't expect to get dents. Could be dirt dropping out of the ... More @Wikipedia
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