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variance

  1. flims

    accepted bullet weight variance

    Can anyone point out what is an acceptable bullet weight variance for 30cal bullets to be used for 1000yards? lets say +/-0.5 grain difference over 20 weighed bullets, would that be acceptable? Does this margin of error increase as you use heavier bullets such as the 250scenars for the 338? eg...
  2. rc2125

    OAL variance

    Have recently aquired a redding T7 turret press. Had an rcbs turret before the T7 and a rockchucker before the rcbs turret. Can't remember much about the chucker, as it was awhile ago and I sold it because at that time ammo was affordable. The rcbs turret had obvious play in the turret head and...