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Hercules Unique versus Alliant Unique

This is a discussion on Hercules Unique versus Alliant Unique within the Reloading forums, part of the Firearm Forum category; Originally Posted by ChiknNutz I am a bit confused. Upon review of my Speer manual #9 (1974), the difference between 2400 and Unique is negligible, ...

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Old November 12th, 2013, 02:06 PM   #16
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Originally Posted by ChiknNutz View Post
I am a bit confused. Upon review of my Speer manual #9 (1974), the difference between 2400 and Unique is negligible, yet you have to use almost twice as much 2400 as Unique. However, I know that 2400 is the original powder used to develop the 44 magnum by Elmer Keith (though 20-22 grains behind a 240 grain bullet). Still, I have ordered some 2400 after seeing it recommended by many as I am hopeful it will yield more magnum-like results. Can someone explain what I am missing?
Imagine it in slow motion. The Unique would burn with a "pop" but the 2400 would burn with a "poof". Instead of using a very short, steep pressure spike, the 2400 should have a longer, less steep pressure curve.

Check the graphic about 60% of the way down this page.

Of course, I could be wrong.

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Old November 12th, 2013, 06:23 PM   #17
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I still have about a half pound of Hercules Unique left. I loaded some 38 Spec with it the other day and it still works just fine. 4.1 gr. and 158 gr lswc. It's at least 20 years old.
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Old December 17th, 2013, 01:13 PM   #18
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In my opinion I believe the new Unique is a little hotter. I cut back 1/2 a grain in my 1911 and still getting the same velocity.
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