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    Primer "missfire"

    I was shooting my Remington 700 300 whisper this weekend with some rounds I loaded up last week. I was using remington 7 1/2 br primers. Of the 25 rounds I shot, at least 6 or 7 did not go off the 1st time the firing pin hit the primer. Some went off the 2nd and others the 3rd. I had 2 that...