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ballistic calculator

  1. General Rifle
    I'd like to report a curiosity: the actual trajectory of my handload was significantly different from the calculated value. 257 R, Sierra 117 Sp (BC = 0.403), MV 2650fps from a chronograph. Specifically, I have a Savage M110 from their Custom Shop (walnut stock and blue bbl) chambered in 257...
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