Long decades ago I went to using CCI primers in the magnum selection. The only exception is CCI bench rest primers for the 204 Ruger. So I have only one large rifle primer, 1 small rifle primer and only large and small magnum pistol primers to stock. I can't seem https://federal210primers100count50370.blazingblog.com/31906891/5-essential-elements-for-federal-205-primers-for-ar-15