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7mm RM/140 AB with H4350/H4831SC/H1000/Retumbo?

 
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  #1  
Old 01-18-2010, 03:01 PM
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7mm RM/140 AB with H4350/H4831SC/H1000/Retumbo?

Which powder should be the best to start with in 26" barrel 7mm Rem Mag with 140 gr. Nosler Accubonds out of these that I have on hand- H4350, H4831SC, H1000, Retumbo. Primarily for whitetail hunting out to 500-600 yards. By best I mean tightest and most consistent groups with top velocity. I also have some Fed215 and WLRM primers to use.
Thanks in advance for your replies.
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Old 01-18-2010, 06:57 PM
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Re: 7mm RM/140 AB with H4350/H4831SC/H1000/Retumbo?

I would lean towards the h4831sc with the 140grs. I have had best results with H1000 and 160-168gr. bullets. Don't you allready shoot the 168 Bergers with H1000? I think 4350 is a bit fast for 7mag.
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Old 01-18-2010, 07:48 PM
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Re: 7mm RM/140 AB with H4350/H4831SC/H1000/Retumbo?

I had been shooting the 168 VLD's in this gun, but am now going to shoot those in my 7 WSM for longer range, and the 140's for whitetail, hogs, coyotes, etc. at shorter ranges in the 7RM.
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Old 01-18-2010, 08:49 PM
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Re: 7mm RM/140 AB with H4350/H4831SC/H1000/Retumbo?

i have used h-4831( long cut) with good results. the wlrm shot a better group than the 215. what about going to a 140vld??
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Old 01-18-2010, 09:22 PM
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Re: 7mm RM/140 AB with H4350/H4831SC/H1000/Retumbo?

you need to go to Hogdon website and study the loads for your caliber
and bullet weight instead of asking for recomendations.
Get a chart of burn rates for different mfg powders and then
you will know what powders to use for your bullet weight.
I prefer the Alliant RL powders and Accurate powders for
my 7mm Rem Mag but I only shoot real light bullets now
that I have seen the light. Pro hunter 120 gr and Barnes
110 gr in 7mm Rem Mag for big deer and big hogs.
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  #6  
Old 01-19-2010, 09:00 AM
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Re: 7mm RM/140 AB with H4350/H4831SC/H1000/Retumbo?

Thanks roninflag, I may try the Bergers, I think they are even a little less in price than the accubonds, but they both have almost identical BC, one is .485 and one is .486.
And for preventec47, I did take a look at the Hodgdon site, I am just looking for others knowledge and experiences with these bullets & powders. Besides, it's more fun to talk about it anyway.

Last edited by txsendero; 01-19-2010 at 09:03 AM.
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  #7  
Old 01-19-2010, 12:45 PM
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Re: 7mm RM/140 AB with H4350/H4831SC/H1000/Retumbo?

My 7mm Rem mag shoots 140 grain Nosler bullet into .5 inch groups using H4350 powder. However, this powder is a little too fast to get the best velocity, so for more velocity and good accuracy I use H1000 or RL-22. I agree that H1000 works great with 160 grain bullets but my gun will also shoot 140 grain bullets using H1000. I have used both 215 and WLRM primers and could tell little difference.
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