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imr4451

  1. Handloading Procedures/Practices
    I've had excellent results with IMR4451 and 87grain Speer TNTs loaded a grain less than max. Probably the most repeatable groups I've ever shot in this caliber over many years, some sub 1/2 moa from a bench from a Remington 700 with a Shilen barrel. I been thru a lot of different powders but...
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