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H870 or H1000 Loads for 65x284 ?

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  #1  
Unread 11-28-2013, 07:00 PM
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H870 or H1000 Loads for 65x284 ?

I need to work up a load for a savage 111 in 65x284 using Berger 130 or 140s. I have seen and herd a lot of guys using retumbo powder with good success. I However have a bunch of H870 and a little H 1000 on hand. According to burn rate charts the 870 is right next to the retumbo powder. I cannot find any data using it in the 65x284. does anyone out there have any leads or ideas?
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  •   #2  
    Unread 11-28-2013, 09:54 PM
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    Re: H870 or H1000 Loads for 65x284 ?

    My understanding is that H 870 is no longr made. If you have enough to wear out a tube I would try it. What I hate is having to re-develope a load because one compnent or another is not available anymore.

    That would be especialy true with a 6.5-284, which is moderately hard on tubes.
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      #3  
    Unread 11-28-2013, 11:00 PM
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    Re: H870 or H1000 Loads for 65x284 ?

    I may be crazy but I swear every time I run h1000 in my 6.5x284 it kills my barrel. Maybe it's my imagination.
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      #4  
    Unread 11-28-2013, 11:56 PM
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    Re: H870 or H1000 Loads for 65x284 ?

    What else do u guys suggest ? H4831? I have several others third were closest to burn rate of retumbo
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      #5  
    Unread 11-29-2013, 06:05 AM
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    Re: H870 or H1000 Loads for 65x284 ?

    I would think that H1000 or Retumbo would be too slow. Most benchrest shooters that I know either use H4350 or H4831SC. I believe there is a reason they use these powders.
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      #6  
    Unread 11-29-2013, 07:18 AM
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    Re: H870 or H1000 Loads for 65x284 ?

    In my experience with a few 6.5x284's, including the Savage LRH, is that H4831sc and Retumbo, using 140gr bullets will produce top accuracy, low ES, and excellent temperature stability. Using 24"+ barrels both powders will generate velocities in the 2900-3000+ FPS range with Retumbo having a 50-75FPS advantage over H4831sc, a slightly faster burning powder. Either standard or magnum primers will work with Retumbo powder but I have found ES and accuracy can be better with standard primers at the cost of 25-50 FPS. Retumbo is not too slow burning for the 6.5x284 case design in a 24/26" barrel, and generates lower pressures than H4831sc. H4831sc seems to produce best results with standard primers. I have tried H1000 but found velocity, ES, and pressures sub par compared to Retumbo and H4831sc.
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      #7  
    Unread 11-29-2013, 03:13 PM
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    Re: H870 or H1000 Loads for 65x284 ?

    H-1000 and H-870 are to slow in my opinion for the 6.5-284 with even the heaviest bullet weights available.

    RL19, RL22, H4831 would be the first three I would try in no particular order. I know the RL powders get a lot of bad press about not being as stable over temp changes as the Hodgdon powders and this is true to some degree but the difference in all reality is not that great in most situations.

    These three powders are much better suited for this class of chambering.
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