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safari100
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Posted: April 08 2018 at 3:01pm | IP Logged Quote safari100

I am just now learning that 3100 has been discontinued and has been for years. Back in the late 70's a gent used to load for me and produced 7MM Weatherby ammo with 154 Hornadys that was/is extremely accurate. The last of that supply is now almost gone. Can anyone here point me in the right direction of a good substitute. 3100 is not even listed on my current burn rate chart which would have solved my problem. Asking for old school knowledge. Any ideas?

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RT58
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Posted: April 09 2018 at 3:21am | IP Logged Quote RT58

I looked at several burn rate charts and they don't agree, which is what I'd expect.

My old school idea was to look at their Reloading manual. They described it as an economical substitute for Hodgdon or IMR 4831.
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doghawg
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Posted: April 09 2018 at 5:34pm | IP Logged Quote doghawg

I used to load a lot of it but have gravitated to either Hodgdon or IMR 4831. Couple of years ago I noticed strong odor when opening the powder cabinet and traced it to an 8lb. can of 3100. There was about two pounds left of powder in the can and it was purchased new in the late 90's and stored in controlled environment. I'm not saying this to condemn the powder or manufacturer but that was the only instance of powder deterioration I've ever had in all these years of loading. FWIW

Randy

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safari100
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Posted: April 09 2018 at 8:53pm | IP Logged Quote safari100

RT I do not have an Accurate reloading manual, but thanks. Everything is pointing towards 4831.
Doghawg, thanks The last of those old loads are almost 40 years old and still print groups. I have 20 left. I was a young AF troop back then and my friend loaded for me as I did not have 2 nickles to rub together at the time. Obviously never shot the rifle much and want to bring it back to life.

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RT58
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Posted: April 10 2018 at 6:30am | IP Logged Quote RT58

I understand Safari. I don't have every manual ever printed, but I would like to have at least one from each source. I'm sure I'm not even close.
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Paul B.
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Posted: April 10 2018 at 2:58pm | IP Logged Quote Paul B.

Another powder you might want to look at is IMR 7828.
Paul B.
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safari100
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Posted: April 10 2018 at 3:06pm | IP Logged Quote safari100

Thanks Paul B. will look it up.

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Paul B.
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Posted: April 12 2018 at 2:52pm | IP Logged Quote Paul B.

safari100 wrote:
Thanks Paul B. will look it up.


I should have added that when I could not find any Re22, I looked in the
Nosler manual and the load was so close I thought I'd give it a try. I was
loading a .280 Remington. Not only got top speed but came close to the
.280 AI. only problem was accuracy was not all that good. Figured it
might be the bullet but the same bullet pushed hard with the long
discontinued WMR (Winchester Magnum Rifle) did 2904FPS and .75"
groups with the same bullet. Go figure. Almost the same speed and
radically different results.
Paul B.
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John Van Gelder
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Posted: April 13 2018 at 6:16am | IP Logged Quote John Van Gelder

You can tell you are getting old when you have cans of powder, you are still using that have been out of production for many years.

I still have a number of the "cube" shaped Hercules cans with the snap tops.
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STCM(SW)
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Posted: April 14 2018 at 6:23pm | IP Logged Quote STCM(SW)

You know you have old powder when the price on the top of the 1 Pound can has $7.95.....

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John Van Gelder
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Posted: April 15 2018 at 5:52am | IP Logged Quote John Van Gelder

Chief

I have some of those.
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