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Cooling sprue.

Discussion in 'The Ammo & Reloading Forum' started by frosty, Feb 18, 2004.

  1. frosty

    frosty New Member

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    Location:
    Texas
    When the sprue cools what should it look like? Should it look shiny or what? Or does it not matter at all.
  2. inplanotx

    inplanotx New Member

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    It should look frosted and you will see molten metal being sucked into the bullet cavity while it cools. It has to do this to give your bullet a good sharp base.
  3. frosty

    frosty New Member

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    Location:
    Texas
    Thanks Plano I was getting that same result for nearly all of my casts. I noticed that the sprue did have a small dent in it above the sprue hole. And I think I have a better idea of what a frosted look will be like because that is the way it looked when it (the sprue) cooled on top.;)
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