IIRC, the Lee Web page has current the list about which primers are Okay to employ. They now manage to solitary out FEDERAL specially: "Offered enough penetration, a larger diameter bullet should have an edge in wounding performance. It will eventually destruction a blood vessel the smaller projectile scarcely misses. https://fernandotwtof.timeblog.net/67748140/the-definitive-guide-to-federal-ar-primers