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daniel brothers said:I thought that was a good question as to why and when should you use a mag primer... so how does one know WHEN and WHY....?
I know that my friend and I have the very same 20-250 AI rifles... loaded with the same powder (IMR 4350) ...same bullet... same everything...BUT... he shoots a CCI Mag Primers and gets about 50 more fps then I do with my CCI Br primers.
Can they really make that much difference...?