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Hercules Herco Powder

Discussion in 'Shooting Related Threads' started by Cynergy1028, Jul 21, 2011.

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  1. Cynergy1028

    Cynergy1028 TS Member

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    Hello everyone,

    I recently came across an old, unopened can of Hercules brand Herco powder. It appears that the Herco powder is now made by Alliant. My question is: Can I use Alliant Herco reloading data for Hercules Herco powder? If not, where might I find reloading data for Hercules Herco powder?

    Thanks in advance,
    Charles
     
  2. grouse 1970

    grouse 1970 Member

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    yes you can as long the can has printed on it HERCO
     
  3. wayneo

    wayneo Active Member

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    I would call Alliant. Just ask for a Tech when they answer the phone. Very nice and helpful people.

    I called Chris Hodgdon a couple of years ago when I got some very old IMR 700X with the same question. He said powders can only change how clean they burn, burn rates and compositions of the powders must fall within specs of the sample lot that was given to SAAMI. He said the reason you see different grain weights for old data vs. new, is because the other components have changed over the years. Hulls, wads, primers.

    Wayne
     
  4. GoldEx

    GoldEx Active Member

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    Yes. They are the same powder.

    JK
     
  5. Cynergy1028

    Cynergy1028 TS Member

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    Thanks for all your responses. I called Alliant and they confirmed that the reloading data is the same for Hercules vs. Alliant Herco powder.

    Charles
     
  6. Dave P

    Dave P TS Supporters TS Supporters

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    Canton, Il.
    Alliant used to be Hercules.
     
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