That’s an awesome issue, Ted. I’m not sure. Here's a few examples of what I’ve read in different areas to the Federal 210 vs Federal 210M dissimilarities: Add to quotation Only show this consumer #three · Oct 2, 2006 The one thing distinct concerning The 2 is definitely the title. https://winchester200primersinsto38269.is-blog.com/38249510/indicators-on-federal-gold-match-large-rifle-primers-you-should-know