IIRC, the Lee Web page has current the checklist about which primers are ok to implement. They now seem to one out FEDERAL exclusively: so do as you think best. If you are firing the M1 Garand I'd personally suggest employing "armed forces" primers as They can be greatest for https://federal-ammunition-primer80234.qowap.com/91254952/the-basic-principles-of-federal-205m-primers-in-stock