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Good powder for 7mm RM and 168gr Bergers

 
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  #1  
Old 01-13-2012, 10:27 AM
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Join Date: Oct 2011
Location: Indiana
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Good powder for 7mm RM and 168gr Bergers

I am going to be reloading some 168gr Bergers for my 7mm RM soon. I have been reading about different types of powders and the results people have been having with them. It seems like the most common findings are:

4350 or similar for light to med wt bullets

4831 or similar for med to heavy wt bullets

H1000/Retumbo for heavy wt bullets


I am looking for a powder that is extremely temp stable and has lowest ES. Just want it to be flat out consistent. I am not as worried about the absolute hottest velocities. I would much rather take shot to shot variance out of the picture. As you can tell from all my research and quite vague summary of findings, I'm a total noob. Thanks for any feedback.

BTW, will I see much difference between H4831 and H4831-SC? If so what are pros and cons.
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Weatherby Vanguard 7mm Rem Mag
Leupold VX-III CDS 4.5-14 x 40mm
HSM Trophy Gold w/ 168gr Berger VLD
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  #2  
Old 01-13-2012, 11:13 AM
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Re: Good powder for 7mm RM and 168gr Bergers

From what your asking I will say I believe H4831sc is what your looking for with standard primers, fed210Ms being your best bet most likely. The sc is easier to meter, has a similar rate to Imr7828.
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Old 01-13-2012, 05:46 PM
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Re: Good powder for 7mm RM and 168gr Bergers

I am using 71.5gr H1000, federal brass, federal 215 primer, 168gr Berger VLD about 10 thou into the lands, 3080 fps from a 26" barrel.
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Old 01-13-2012, 05:54 PM
KDF KDF is offline
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Re: Good powder for 7mm RM and 168gr Bergers

I've been very happy using Retumbo with the 168 VLD's. I shoot 71.5gr, but you will want to start out lower - maybe around 69gr and work up... especially if you have a factory chamber.
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Old 01-13-2012, 07:55 PM
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Location: Leominster mass, originally Salisbury Maryland
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Re: Good powder for 7mm RM and 168gr Bergers

BACKWOODS83, I have a rifle that I purchased for the sole purpose of shooting 168 Bergers. I tried 22, 7828, and finally settled on H1000. My gun is tight chambered apparently, and I am getting 2977 fps,using 67.5 grains.
I am using a " standard" WLR primer. The gun likes these primers more than the mag primers. H1000 is supposed to be a Extreme powder. I believe that to be factual due to the fact that I developed the load in 50 degree weather, and I shot a whitetail in July on a crop damage hunt in 94 degree heat. No pressure signs, no change in impact. Two kills, one at 366 yards, and one at 209. My load is a little on the mild side, but it is incredibly accurate and predictable. Hopes this helps. AIM SMALL, MISS SMALL 7STW.
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Old 01-13-2012, 08:04 PM
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Re: Good powder for 7mm RM and 168gr Bergers

Wow, 3 out of 4 are pushing H1000. Well i guess 1 is for Rutumbo, but it is VERY close to H1000 on burn rate right?
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Weatherby Vanguard 7mm Rem Mag
Leupold VX-III CDS 4.5-14 x 40mm
HSM Trophy Gold w/ 168gr Berger VLD
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  #7  
Old 01-13-2012, 08:20 PM
XMC XMC is offline
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Re: Good powder for 7mm RM and 168gr Bergers

I use 71 grains of Retumbo with GM215M for 168 Bergers...
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