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Quick load data. Anyone have it?

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    Quick load data. Anyone have it?

    I'd appreciate some help. I'm looking for the min/max for IMR 4831 and the 130 gr. Sirocco in 6.5x55 Swede. Any help would be appreciated. Thanks!

    #2
    Anyone?

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      #3
      What are you loading it in? Modern action or old action? That will be a big difference to

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        #4
        Modern. A Barrett Fieldcraft

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          #5
          Call SWIFT and ask to speak with their head ballistician: 1-785-754-3959

          they will probably even email you load data

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            #6
            Originally posted by Cajun Blake View Post
            Call SWIFT and ask to speak with their head ballistician: 1-785-754-3959

            they will probably even email you load data

            I'll probably do that. I've talked to Bill at some length several times in the past.

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              #7
              Originally posted by SabreKiller View Post
              I'll probably do that. I've talked to Bill at some length several times in the past.
              Bill is very good ppl. who will go out of his way to make sure the customer is happy

              not many companies where you can pick up the phone and talk directly with the CEO

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                #8
                I talked with their ballistics guy and he gave me 43.5 gr. IMR 4831. When I told him I got a .185 group out of Bill's recommended load for IMR 4350 he was astonished. He said there was only 6 fps difference between the max 4350 and 4831 loads.

                I told him i didn't have enough sense to leave well enough alone and that I had powder and bullets so I was gonna experiment. LOL!

                I retrospect I think I'll leave it alone and run my loads through the chronograph to see what velocity I'm getting.

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                  #9
                  Swift is a good company, I have spoke with them several times. Really like the 75gr Sirocco bullets running 3500 FPS from the 22-243. They do a number on deer and hogs, so far from 10 yards to 340 yards

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