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20 gauge howdah ballistics?

Discussion in 'Blackpowder' started by DutchmanDick, Dec 16, 2010.

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  1. DutchmanDick

    DutchmanDick Member

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    Sep 3, 2006
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    Anybody who owns a 20 gauge Pedersoli or Middlesex howdah pistol - have you chronographed your guns using .600 ball loads? If so, what powder loading did you use? I'm trying to find out what sort of m/v I can expect with a 350 grain .600 ball and 60 grains FFg from a 7-1/2" barrel, and I don't have access to a chronograph.
     
  2. Jaymo

    Jaymo Member

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    Aug 21, 2010
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    I don't know what velocity you'll get, but my .61 caliber round balls cast from wheelweight, propelled by 48 grains of fff sure blow through a 55 gallon drum like nobody's business. Also has a healthy kick.
     
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