) We bought them as PMC brand name here until finally that enterprise disappeared and whenever we get them nowadays, which is never, they use the Russian company’s title, Murom. 223 Rem. They recommended CCI (tougher primers) for all masses Employed in any firearm that has a free of charge https://federal-215-primers-100-c62739.ampedpages.com/the-ultimate-guide-to-federal-primers-205-59035047