IIRC, the Lee website has up-to-date the checklist about which primers are Okay to utilize. They now appear to solitary out FEDERAL exclusively: It can be possible for getting two primers in situation being established and maybe which is the situation. I might stick to just what the guide indicates https://tysonuhtdp.mdkblog.com/37590092/indicators-on-federal-215-large-magnum-primers-you-should-know