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Thread: Safest Method Of Discharging Unknown Primers?

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  1. #1
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    why didnt you simply fire the rounds in your rifle?

  2. #2
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    Quote Originally Posted by Fee Knicks View Post
    why didnt you simply fire the rounds in your rifle?
    https://www.nzhuntingandshooting.co....amples-103339/
    dannyb likes this.

  3. #3
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    Quote Originally Posted by Fee Knicks View Post
    why didnt you simply fire the rounds in your rifle?
    A couple of reasons for not firing them, all based are caution and not damaging my rifle or my beautiful face!
    Firstly I'm working at my work bench and want a quick, safe result. I don't want to fire 60 rounds of Hornet I my basement for fear of sparking an AO callout and being the next headline in Stuff, "REGISTERED FIREARMS OWNER LOOSES LICENCE FOR WRECKLESS DISCHARGE!" Which leaves the only option being, drive to a farm or range, fire 60 rounds, then drive home! WOFT!

    Having pulled the projectiles I now know the powder charges varied from 9.2grn, which is below most recommended minimums, too 12.2 grains which is above maximum and probably a compressed load. Likely outcome of firing those would be a split case jammed in the breech, popped primer with associated pitting damage to the bolt face.

    I have taken the advice of more experienced Forum members too try and kill the primer by soaking them.

    Caution first with all things gun!

  4. #4
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    Quote Originally Posted by Fee Knicks View Post
    why didnt you simply fire the rounds in your rifle?
    Curious, what are the living conditions like on the West Coast of Northern Ireland of late?

  5. #5
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    As he said, the contents are completely unknown. There is risk associated with firing them off- an overload with a fast pistol powder wouldn't be great..
    outlander, dannyb and Hugh Shields like this.

  6. #6
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    I would pull the projectiles. Dump the powder then use the primed cases for a safe known load.
    Overkill is still dead.

  7. #7
    Member Micky Duck's Avatar
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    Fire off the primers with barrel end in a suppressor and old blanket maybe.dont poke bare barrel into your good polar fleece coat....result looks like ciggy burns.the coke bottle idea sounds( or no sound?)like a goer.
    75/15/10 black powder matters

  8. #8
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    My plan B - since plan A didnt seem to meet much approval - would be , decap them in your loading press. At least , being Hornet , they should all be boxer primed so no issues popping the primers out and discarding.

    Not sure on dropping them in the ocean - the sea isnt a dump for all to use. Drop them in an offal hole or soak in acetone then discard in your usual rubbish disposal.

  9. #9
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    Apart from ears and eyes, the main precaution I take when decapping live primers is to put them back into a packet that is well labelled so I or anyone else knows they are unknowns.
    I also try to make sure that there are lots of different types in the same packet, just in case I miss the label, the mixture of colours and sizes should be a red flag.
    It isn't a good idea to store live primers together and loose as it can cause a chain reaction.

    As others have said, just decapp them live, eyes and ears and gentle, if one does go off, its not much different to a cap gun. At worst your cat might decide to leave the room.

  10. #10
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    It's really not that big a deal. Just shoot them with muzzle in a plastic bottle. Or press the muzzle into some polystyrene and shoot them. Very uncomplicated thing to solve.

    Or just press them out and reuse them.
    woods223 likes this.

  11. #11
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    Quote Originally Posted by JohnDuxbury View Post
    It's really not that big a deal. Just shoot them with muzzle in a plastic bottle. Or press the muzzle into some polystyrene and shoot them. Very uncomplicated thing to solve.

    Or just press them out and reuse them.
    Have to agree with you about the uncomplicated thing to solve.
    A classic example of why it takes so long to get things done in NZ.
    woods223 likes this.
    Overkill is still dead.

  12. #12
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    REPORTING BACK - PROCESS - OUTCOMES

    Thanks Team for your opinions and advice which varied from:
    - Kill the primers by drowning them
    - Just run the primed case through the press - no worries
    - Pull the projectiles and reuse the primed cases (with known load, but unknown primer)
    - Fire the live rounds
    - Fire or hammer discharge the primers
    - KISS and don't over think it

    I have only been reloading for 8 - 10 months and am enjoying the learning. I operate on the basis that, "The only dumb question is the one you didn't ask!" I'm not that risk averse, but do adopt a safe, precautionary approach to unfamiliar things.

    Thanks everyone for your advice. After consideration I adopted the, "kill them by drowning method;"
    - First submerged them over night in 15w40 engine oil
    - In the morning I drained the engine oil off and soaked them in white spirits to remove the oil
    - Then I soaked the them in acetone
    - Then I flushed them with HOT tap water, and soaked them in hot soapy water
    ("Over kill is under rated!)

    After they had drained and dried in the sun (and patented yellow shell holder), I fired 10 cases on my Weihrauch and got ZERO ignitions. Then I ran them through the depriming press, again with ZERO ignitions out of 70 cases. Then tumbled them and finally sorted them by brand.

    Interesting to notice that, despite the number of times I cleaned them to remove the oil, the walnut still attracted and accumulated in trace oil inside the cases and primer pocket, forming a gluggy lump, which was easily removed with a scribe, but still another task....

    I'm happy with both my anal retentive process and the outcomes.

    I'm especially pleased that I didn't fire the live rounds because, on inspection, eight cases were split for the mouth to the shoulder. This highlights the pitfall of buying "Once Fired" brass through TradeMe. Based on the variations of powder charge, projectiles and inked hierographics on the outsides of the cases, I would say some of the these cases had been loader several times, some to maximum or compressed loads, in the quest for the highest possible velocity. I don't really understand the obsession some shooters have with "Maximum velocity!!??? I tend to load minimal powder charges to achieve efficient, accurate, killing rounds, so as to prolong brass life/usage, minimise noise, recoil, wear and tear. After all, "Dead is dead," and the target species doesn't know or care whether the projectile is doing 2400 ftps or 3100 ftps......

    Thanks all for advice, I'm moving on to sizing next.Name:  20240330_144425.jpg
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    Frogfeatures and Micky Duck like this.

  13. #13
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    Ok, if you've oiled the inside of the cases you need to double damn make sure there isn't any oil residue left and I mean double damn make sure. Reason for that is oil traces can do funny things to the coating chemicals used on the powders to retard the burn and slow the rate at which the pressure increases when you pull the trigger, by soaking into the coatings and altering the retardant affect. Also the oil can act as a fuel source in a really hot burn. If the walnut was sticking into the cases in a glug, that's way too much oil residue for my comfort factor...
    Micky Duck likes this.

  14. #14
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    Quote Originally Posted by No.3 View Post
    Ok, if you've oiled the inside of the cases you need to double damn make sure there isn't any oil residue left and I mean double damn make sure. Reason for that is oil traces can do funny things to the coating chemicals used on the powders to retard the burn and slow the rate at which the pressure increases when you pull the trigger, by soaking into the coatings and altering the retardant affect. Also the oil can act as a fuel source in a really hot burn. If the walnut was sticking into the cases in a glug, that's way too much oil residue for my comfort factor...
    Good advice, thanks.

  15. #15
    Sniper 7mm Rem Mag's Avatar
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    I definately would have pushed the live primers out in the press using a decaping die, I have done it with no issues and they push out easy. Once done its just the easy normal routine without worring about having to remove all that oily stuff you put in your cases to kill the primers.

    I guess you did it your way for your own safety and piece of mind so congrats for thinking about your safety, I just hope all that oily stuff is 100% out of your shells so you don't have trouble with your powder going all gluggy etc.

    Anyway glad you got the job done
    Makros and Hugh Shields like this.
    When hunting think safety first

 

 

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