Quote Originally Posted by CodySPowell View Post
I used CCI #41's since I started reloading
.223 for that exact reason. They are supposed to have a harder cup. You pay a little extra but I've never had a slam fire. I use CCI exclusively due to experiencing issues with other manufacturers. The standard CCI small rifle primers seem to be slightly harder in nature as well.

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I agree with Cody. I only use CCI myself.

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