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New Powder

 
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  #1  
Old 11-15-2009, 11:32 PM
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New Powder

I was curious If or how many people had tried some of the new powders and what they
thought about them ????

Hodgdon- Hybrid 100 V (burn rate somewhere between H 4350 and H4831).
IMR- 4007 SSC (Burn rate between IMR 4320 and IMR 4350).
Also IMR -7828 SSC (Same burn rate as regular IMR 7828).

The SSC (Super Short Cut) looks interesting with a 4% increase in case/load density .

Any comments will be appreciated.

Thanks
J E CUSTOM
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Old 11-16-2009, 04:35 AM
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Re: New Powder

I have a friend who uses it in his 220 Swift and swears by it. (IMR 4007) I tried it in my 243 and it was so so. I wasn't real happy eith the results.
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Old 11-16-2009, 09:29 AM
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Re: New Powder

I use the Hybrid in a 6.5-06. I have been happy with it, seems to be consistent. Pressures never seemed to spike in development. Meters nicely as well. Allows me to run a full case in this particular load. Hope this helps.

Steve
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Old 11-16-2009, 06:22 PM
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Re: New Powder

Hey J E C,

Ive only experience with one of those powders you mentioned IMR 7828 SSC I use it for my 416 WBY and its incredibly accurate Ive used it for some others but cant think of tha calibers off hand i'll try and look up the info and post it.

I have been told by others that the love IMR 4007 SSC so I bought some a while ago but I didnt try it yet. Also have got some Hybrid to try out. I believe sendero-man has tried it in hhis 243 AI and had promising results maybe he'll drop in and post his findings.

Either way im interested in this thread as well will keep an eye on it.
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Old 11-16-2009, 10:35 PM
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Re: New Powder

Thanks to all for posting the replies.

I have a few cartriges that are compressed or I have to use a drop tube
and these new powders look very interesting as a replacement.

I have been very happy with the H 4831 SC in performance and in the way
it measures. And was hoping that the SSC powders would cure some of the
problems with the other stick powders.

I know there is no magic powders but anything that will help to improve a already
good load would be great.

More input needed please !!!!

Thanks

J E CUSTOM
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Old 11-17-2009, 02:12 AM
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Re: New Powder

J.E.,

7828 ssc works very well in my 270 AM with 150gr and below bullet weights. Until I discovered 7828ssc I was launching those light bullets with US 869 with limited velocity and maximum muzzle blast.

There has not been a single symptom of powder bridging with the short kernels. I like that. Had major problems with standard stick powders.

I suspect it may be a bit temperature sensitive but my seating depth may have contributed to the loss of about 50 FPS from 56*F to 30*F. Thourgh with the much shorter COAL (about 50 thou I would have expected pressure and velocity to go up?? Validation will happen shortly tho it will be delayed by a couple of days in the mountains.
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  #7  
Old 11-17-2009, 07:04 PM
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Re: New Powder

I tried IMR 4007 ssc in my 6.5X47. Very accurate, and a low velocity spread and standard deviation. However velocity was disappointing in that particular cartridge. I've stuck with Re15 for 6.5X47.
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