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Thread: Old Powder

  1. #1
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    Old Powder

    Greetings All,
    I have been sorting out some handloading stuff for a friend who is shifting house. Among the packets of old cases, some loaded there were about 8 cans of powder, some unopened. There was a recent part pottle of AR2208 so that was put aside as probably OK. Next were 6 cans of various Dupont powders. A bit of sleuth work in my library of gunny books showed that the older 4 were packed somewhere between 1960 and 1975 so they were quite old. A part can of IMR4227 had a label for both dollars ($6.10) and pounds so this was around 1967. There were a part and full can of IMR3031 so I poured the powder rom the part can out into a clean plastic tray and examined the inside of the can finding no sign of rust. Next the unopened can of IMR3031 was poured out into a separate tray. Inside the can there were granules of powder stuck to the inside of the can and there was a light film of rust over the inside of the can. Hmmm. Finally the two more recent cans of IMR4831 that was packed in 1987 were opened. Both had rust on the inside of the neck so I didn't even bother tipping them out.
    So what were the learnings from all this? We need to be really careful how we store our powder supplies and suspicious of any old powder we may encounter. Most rifle powder has a long life if stored carefully. I am still using the last dregs of 1mr4064 packed in 1979 but this has been stored in a wooden cupboard placed low on the cool side of a partly lined garage and not on an open shelf in a red hot to damp tin shed. We all have to be especially vigilant about any opened containers of powder we may be given as what is on the label may not be what is in the can or may have been contaminated in some way. Even unopened cans should be viewed with suspicion as we don't know how it has been stored.
    The powder drought of the last few years now appears to be easing so there is no need to use any suspect powder. So why did I go to all the trouble I did? Partly due to my distaste for waste and partly to learn something. I was successful on the second of those at least.
    Regards Grandpamac.

  2. #2
    Member Marty Henry's Avatar
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    It's interesting that we are a bit vigilant re bulk powder but perhaps less so with loaded ammunition. Plenty of 80 or so years old mil surplus ammunition keeps appearing and getting used.
    tetawa, Micky Duck and JohnDuxbury like this.

  3. #3
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    Which of the powder lots passed the sniff test (the most significant one for me)?
    11mms likes this.

  4. #4
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    Quote Originally Posted by rupert View Post
    Which of the powder lots passed the sniff test (the most significant one for me)?
    None of the powders had an acrid smell but none had an acetone smell either that you get with fresh powder. Checking some new powder did not smell that strong either so perhaps that is me. I have run across a few batches of degraded powder over the years, often AR2201. The first sign seems to be clumping of the powder combined with some corrosion inside the can or cartridge case. The powder may look moist. Later you may get some red dusty stuff in the powder. In any case if in doubt chuck it out.
    GPM.

  5. #5
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    Are you going to use the 3031?
    I'm trying to get to heaven before they shut the door.

  6. #6
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    Greetings @nor-west,
    No I have already spread it under the trees. It is just not worth the risk. Powder that has started to deteriorate will continue to do so once loaded. I have broken down handloads like this and the powder is clumped ant the inside of the cases corroded.
    Regards GPM.

  7. #7
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    I was going to put up a separate post re some powders given to me today. This might be just as good.
    Can of 4831, large granules.
    Hercules unique.
    Nobel no 1 and 2 rifle powders.
    I wanted some powder for my 22 hornet and that's what arrived. So, anything there that I might be able to use?
    Cheers.

  8. #8
    Member 40mm's Avatar
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    Please stop spreading powder under trees guys!

    Send it to mr 40mm and ill dispose of it in a much more interesting way!

    Might even have some beers for you!
    11mms likes this.
    Use enough gun

  9. #9
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    Quote Originally Posted by 40mm View Post
    Please stop spreading powder under trees guys!

    Send it to mr 40mm and ill dispose of it in a much more interesting way!

    Might even have some beers for you!
    Exactly, I would of used it.
    I'm trying to get to heaven before they shut the door.

  10. #10
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    @SmokeyJason
    For Nobel powders Google is your friend:
    https://www.nzhuntingandshooting.co....rtridge-81222/
    And Unique is good in the Hornet with cast bullets.
    Oldbloke likes this.

  11. #11
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    Quote Originally Posted by 40mm View Post
    Please stop spreading powder under trees guys!

    Send it to mr 40mm and ill dispose of it in a much more interesting way!

    Might even have some beers for you!
    Yes I'm with you. I use a lot of old powders. Nobel Rifle powders are great..I recently finished a green tin of Rifle No.1 made in the 1930s..loaded 243 for myself and two others..excellent performer..I have original data for Nobel Rifle and Pistol powder if anyone needs it. I am currently shooting IPSC in 9mm with Pistol No. 2 from 1970s. Ive rescued old powders from several sources including Winchester, ADI, IMR, Dupont , Olin, Mulwex, etc etc. Even
    Vihtavuori!

    Never had to throw one out yet. Yes I carefully inspect. I believe a lot of the "caution" expressed in the past about using old powders has been driven by retailers wanting to sell new. Not a lot to do with the old powder actuually being usable or not. Its healthy to be cautious. If your concerned or in doubt stop right there. But don't just toss it out. Send it to me, at the very least I'll test it for ya. . Especially 3031
    Last edited by Jhon; 04-01-2024 at 09:53 PM.
    I know a lot but it seems less every day...

    Due to the exorbitant cost of reloading components, warning shots will not be given.

  12. #12
    Member 40mm's Avatar
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    I was suggesting I would dispose of it in a spectacular fashion....

    Or possibly shoot it, but I am happy to trade beers for old powder if anyone has some that is past shooting.

    Dont waste it please, send it my way and it will go out with style!
    Use enough gun

  13. #13
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    For a warning insight to what old powder can do I posted a thread (Old powder wrecked reloading gear.) last year.

    I'm real gun shy on old powder storage now.

  14. #14
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    Quote Originally Posted by Gamehunter View Post
    For a warning insight to what old powder can do I posted a thread (Old powder wrecked reloading gear.) last year.

    I'm real gun shy on old powder storage now.

    Reading that thread (again) the salient point is

    "There was an odd chemical smell when I opened the bin and on opening a 1/2 container of Vhitavuori N160 it was obvious this did not smell right. It appears that there was a chemical smell/fog that somehow climbed out of the sealed powder container and reacted with all metals in bin."

    First I would never store powder, any powder, with other gear. Second, the smell. If it smells off...

    Just being old is no more an indication of lack of safety or utility than a flat primer is a a reliable indicator of high pressure..if powder is old it should be treated with suspicion, but not necessarily discarded on that basis alone. But, each to their own. Do what you think is safest....
    11mms likes this.
    I know a lot but it seems less every day...

    Due to the exorbitant cost of reloading components, warning shots will not be given.

  15. #15
    Member Oldbloke's Avatar
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    Yeh, I would have tested the 3031.
    nor-west and Jhon like this.
    Hunt safe, look after the bush & plug more pests. The greatest invention in the history of man is beer.
    https://youtu.be/2v3QrUvYj-Y
    A bit more bang is better.

 

 

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