I experimented with several brands of primers a few years ago to see if one brand was better than the other. One of my match 1911's that I built would shoot 2" groups @ 50 yds. from a Ransom rest. After trying Federal, CCI, Rem, and Win. I only saw a range of .250" from best to worst. The Federals were the best. I buy pistol primers based on price. Rifles are a different animal though. Primers will make a difference.
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