CCI 400 are small rifle Primers
CCI 450 are small rifle magnum primers
Use 400 in the 223. I don't remember ever using a small rifle magnum primer and can't come up with a reason to use it. I suppose there is a magnum load using a small rifle primer????? But I sure can't come up with what it would be.
A good plan violently executed now is better than a perfect plan executed next week.
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Last edited by Randy from Kansas; 08-02-2010 at 19:00..