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replacement for H870 in 264 Win

 
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  #1  
Old 09-18-2011, 06:13 PM
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Location: Calgary
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replacement for H870 in 264 Win

As I can no longer get H870 for my 264win , does anyone have a suggestion for a replacement? With 77 gr. H870 and 140 gr. BTSP I was able to get chronographed mv in excess of 3150 with no pressure and great accuracy.
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  #2  
Old 09-18-2011, 07:31 PM
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Re: replacement for H870 in 264 Win

Try Hodgdon's Retumbo or US869. Both are slow enough to get great velocity with such an overbore cartridge. You'll have to find some one with Quickload to run the numbers and see if they will actually work. I tried retumbo in a 6.5-06AI, but it was too slow and I couldn't get enough into the case to use it's slow burning speed. The .264 Win Mag should be able to benifit with these powders.

Dan
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Old 09-18-2011, 07:51 PM
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Re: replacement for H870 in 264 Win

US869, WC872, VV-N170, RE25, id try the US869 first.
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Old 09-19-2011, 12:23 AM
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Re: replacement for H870 in 264 Win

AA8700 is very close to H870, and gives very dense loads. Might also look at N165 and RL22 & RL25
gary
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Old 09-19-2011, 12:35 AM
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Re: replacement for H870 in 264 Win

Daerhldgs2

if I remember correctly, h870 was replaced by t-870 which is the same powder availible through Thunderbird cartridge co. I think if you google it, it should show up and click on their web site. You can find it there and fairly cheap too. I think it is somewhere in the ballpark of $80 for #8 of it.
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  #6  
Old 09-19-2011, 06:11 PM
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Re: replacement for H870 in 264 Win

Get you some Retumbo. It really shoots fast and accurate in my 264 Win mag. I have a 27 3/4" barrel and I get 3350 fps with 130 Accubonds with Retumbo and 1/2 MOA accuracy.
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Old 09-19-2011, 07:51 PM
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Re: replacement for H870 in 264 Win

I agree, go with retumbo, and i do believe H870 is available as T870 from thunderbird....

Strongly recommend you leave US869 alone, very high energy density, but very spike-y once you get to top end loads. Got great velocities in 6.5-300 win mag (Voodoo) but it just wasn't worth the sensitivity of the load.

Use retumbo.
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