IIRC, the Lee Site has updated the list about which primers are Okay to make use of. They now appear to single out FEDERAL exclusively: CCI 250 – Although not promoted as Element of CCI’s “benchrest” collection, several say these primers generate good consistency for the magnum rifle. Federal model https://winchester-primers19641.diowebhost.com/86938690/federal-primers-for-9mm-things-to-know-before-you-buy