That’s an incredible question, Ted. I’m undecided. Here is a pair examples of what I’ve read in various sites to the Federal 210 vs Federal 210M discrepancies: 1 Reply This really is an more mature thread, you may not receive a reaction, and will be reviving an outdated thread. Be https://winchesterprimers40134.bligblogging.com/32413355/federal-champion-210-large-rifle-primers-things-to-know-before-you-buy