Imr 3031 - THR

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Old Yesterday, 10:55 PM   #1
Join Date: July 23, 2010
Location: Arizona
Posts: 217
Imr 3031

I inherited a fair amount of IMR 3031 powder a few years ago.

I hand load for 45 ACP and 44 REM MAG, so I have some reloading skills.

I'm looking to get into rifle reloading, IE bottleneck cartridges. I have a 30-06 Rem 700 that I plan to start with soon, and some AR15s I want to handload 223 for also.

I have found reloading data for IMR 3031 for both cartridges. This seems too easy. Does anyone reload with IMR 3031? Does it have any quirks? Any tips or tricks for breaking into handloading bottleneck rifle cartridges?

FWIW, I use a turret press, and am very methodical.
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Old Yesterday, 11:14 PM   #2
Steve S.
Join Date: January 13, 2014
Location: Missouri
Posts: 99
I use 3031 as a smokeless load in my Hartford Shiloh Sharps (36.5 grains behind 405 grain lead bullet) - it is a close equivalent to the BP load of yesteryear (1150 fps) as I understand - slow with mild recoil and a trajectory like a rainbow.
It is very consistent but cannot be fed from a powder throw - I scale one load at a time. That is about all I can tell you - it should work well enough in other calibers (especially if you already have a supply). Good shooting!
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Old Yesterday, 11:23 PM   #3
Join Date: May 12, 2004
Location: Rocky Mts
Posts: 2,137
I use it in several calibers, its a pretty good medium burn rate powder. Its good for the 223, and fair to good for the '06. If you have it I'd just use it.

It doesnt meter real smoothly in a measure, if not making precision loads, check the variance, it may be fine for general shooting loads. I usually throw a charge a little light and trickle it up to weight. Its likely overdoing it though for most general shooting.
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Old Yesterday, 11:32 PM   #4
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Join Date: September 17, 2007
Location: Eastern KS
Posts: 54,805
IMR-3031 can certainly be used in either caliber with light to medium weight bullets.

It wouldn't be in my top 5 choices for either caliber if best velocity at lowest pressure is desirable.

But it's hard to argue with free powder.


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Old Yesterday, 11:42 PM   #5
Join Date: May 7, 2015
Location: Colorado
Posts: 181
Its my favorite for AR 5.56 loads and I can make a decent 308 load with it too. I havent loaded it in much of anything else where I really really liked it. Havent tried it in an '06.
Its pretty coarse, and most powder throws wont be real consistent with it. I trickle up to where I want the weight to be. Kinda time consuming, but worth it.
But, thats just my opinion.
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Old Yesterday, 11:52 PM   #6
Join Date: July 7, 2004
Location: Pa. USA
Posts: 7,004
223 rem. With Hornady 68gr match & IMR 3031 worked great for me. Barrel twist of 1-9 or faster. Data at Steve's pages.
http://castpics.net Reloading data -older-Hard to find and more.

Last edited by 243winxb; Today at 07:58 AM. Reason: added twist info
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Old Today, 02:21 AM   #7
Join Date: July 23, 2010
Location: Arizona
Posts: 217
I had to resort to 800x for handgun rounds, so I'm no stranger to hand measuring. Thanks for the info guys.
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Old Today, 02:43 AM   #8
Join Date: February 11, 2013
Location: Oklahoma
Posts: 799
3031 doesn't seem to get much love these days. But it used to be used in match rifle competitions. Like others have said, it doesn't meter real well. Long stick powder. But it's beyond reproach as a proven performer. Best of all...it was free. Should be great with up to 165-175 gr bullets.

I just bought 30 lbs of powder, hundreds and hundreds of brass cases (LC308, 30-06, 270, and 7 mag) thousands of bullets, and the list goes on and on from a friend I hadn't seen in almost 7 years. Paid $400 for all of it. The two powders I was happiest to see in the lot were IMR 3031 and H110.
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Old Today, 07:54 AM   #9
Join Date: December 7, 2008
Location: Mount Desert Island Maine
Posts: 5,300
I mainly use it for loading 30-30 and 32 SPL but it is also a good 223 propellant for me when I get low on the propellants I use regularly with slightly better results. I was happy the love was lax as it remained in stock and available long after more popular propellants were gone from the shelves.
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