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Old September 15th, 2019, 08:33 PM #11
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Quote:
Originally Posted by dist1646 View Post
So, you're that guy! LOL! Seriously, there are plenty of powders that are similar in burn rate and will produce excellent results. If I can't find what I use currently, I'll just switch to one of the other powders. If the powder is out of stock long enough, the switch will be permanent.
I used up 3/4 of my palma gun's barrel life with H4895 because there was no Varget back in the day. Went just as fast and just as accurate (although maybe higher pressures). Once varget came back I tried it. A case full got me my 3000 fps, but it wasn't "better", but all the cool kids were using it so i figured why not.
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Old September 16th, 2019, 07:55 AM #12
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I'm sitting on more Varget than I will likely use. Let me know if any of you guys are interested.
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Old September 17th, 2019, 01:48 AM #13
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It works.

I was able to get enough during the shortage. And then when it was over, got more than enough. So I will keep using it.

If I did not have it, I would use RL15 or H4895. I have some of each.
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Old September 17th, 2019, 12:51 PM #14
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I still working through the stock I laid in from the LAST shortage
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Old September 21st, 2019, 10:27 AM #15
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Molly’s down around Galena has some on the shelf.
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Old September 26th, 2019, 08:58 AM #16
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IMR 4320 has very similar burn rate on charts. Try it.!!! Varget 101 with IMR 4320 102 on chart
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Old September 26th, 2019, 11:15 AM #17
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Quote:
Originally Posted by pcfixer View Post
IMR 4320 has very similar burn rate on charts. Try it.!!! Varget 101 with IMR 4320 102 on chart
Interesting. Are there any differences regarding change in performance due to temp, or the ability of the powder to remain stable during long term storage between the 2 powders?

I was under the impression 4320 was an older formulation.
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Old September 26th, 2019, 11:42 AM #18
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Quote:
Originally Posted by ras_oscar View Post
Interesting. Are there any differences regarding change in performance due to temp, or the ability of the powder to remain stable during long term storage between the 2 powders?

I was under the impression 4320 was an older formulation.
IMR4320 is indeed an older formulation. It has been doing a great job since 1935.

Burn rate is indeed similar to Varget. Like Varget, it is an extruded powder, but it doesn't meter too badly as the kernals are fairly small as extruded powders go.

Varget falls within the "Extreme" series of Hodgdon powders, and is thus less sensitive to temperature variations. If there has ever been a study done relating to longevity in storage, I am not aware of it and would love to see it.

Try some 4320. I think your chances are better than good that your rifle will like it just fine.
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Old September 26th, 2019, 01:08 PM #19
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There are definitely plenty of powders that perform very well in the .308, which is one reason they call the cartridge 'versatile'.

The singular advantage of Varget is that it is one of Hodgdon's 'Extreme' line of powders and is resistant to velocity changes caused by ambient temperature changes.

For short/mid-range work, this doesn't matter and for the most part, cannot even be seen. For this reason, most shooters and hunters can get excellent results from a wide variety of powders and will debate the importance of selecting a specific powder.

For long range, any changes in velocity obviously affect trajectory parameters to a much greater extent and velocity control DOES become quite important. One can certainly find and calculate the temperature coefficient, and they've done it for years, but when you can buy a powder that eliminates this unnecessary complication of an additional variable, it's desirability increases. This is Varget's attraction. I get groups just as tight or tighter with RE-15, IMR-4895 and IMR-4064, but they wander up and down the long range targets when temps change. I used to use a lot of 4895 and found it would give me several FEET of elevation (velocity) variation at 1,000 yards between a hot day and a cold day.
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Old September 26th, 2019, 01:22 PM #20
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Don't know if its still the case but I recall Varget was a popular hunting powder cause of temperature stability (EDIT: just like what Ed says).
This is what I still use for my hunting loads.
When IMR 8208 XBR came out, there I thought were ramblings of it replacing Varget
Was at BassPro today and no Varget and no 8208XBR
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