Well of course Remington will push for you to use the more expensive primer, they make more money. Nosler, Lyman, Speer, Winchester, Hornady and Barnes make absolutely no reference to the need to use match grade primers in semi's. the white box CCI primers specifically #34 and #41 are made to military spec. Wow the things that uninformed people will fall for. I guess the 30 plus years that people have been using standard primers everyone was all wrong, as well as the biggest names in the industry.