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Thread: DIY Gunsmithing mistakes

  1. #1
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    DIY Gunsmithing mistakes

    Well I will kick it off

    Recently I had the bit between my teeth and wanted to form a 38-303 case from some old CAC 303 sporting ammo
    Well I didn't know that the powder in that old junk goes sticky
    So I pull the bullet in my kinetic pull and get the powder out
    Tap the neck to make sure its properly empty
    Set it up on a bench to quickly anneal the neck with a gas blow torch so that I can form it up a few calibers

    Huge Bang and the case flies a couple of meters in the air
    Big burn mark on the bench top and a primer sized crater about 5mm into the wood !


    So now I know that sticky powder in CAC cases is still pretty keen and able to kill something
    Matt2308, Micky Duck, 40mm and 4 others like this.

  2. #2
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    And here's the one I just did

    I'm just re barreling a vintage Winchester 1885 action
    Dialed in the barrel and trueing things up
    Made the rebate for the breech block front right ridge
    Then tidy up the barrel breech face and smoke and check it all

    All sorted with my very smallest feeler gauge as a close fit when the block is fully closed

    Decided to check the feeler gauge for in one of my other 1885s
    It's a very closely fitted 1moa rifle so it would be a good reference point for breech block tolerance

    The point of this gunsmithing mistake is
    Early production 1885s go directly to full cock when you cycle the action and if you accidentally pull the trigger when the feeler gauge is stuck in there you get a lasting reminder of your stupidity

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  3. #3
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    Everybody makes mistakes, but a tradesman is really good at hiding them!
    Tuidog, Matt2308, Beaker and 8 others like this.

  4. #4
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    Quote Originally Posted by akaroa1 View Post
    Well I will kick it off

    Recently I had the bit between my teeth and wanted to form a 38-303 case from some old CAC 303 sporting ammo
    Well I didn't know that the powder in that old junk goes sticky
    So I pull the bullet in my kinetic pull and get the powder out
    Tap the neck to make sure its properly empty
    Set it up on a bench to quickly anneal the neck with a gas blow torch so that I can form it up a few calibers

    Huge Bang and the case flies a couple of meters in the air
    Big burn mark on the bench top and a primer sized crater about 5mm into the wood !


    So now I know that sticky powder in CAC cases is still pretty keen and able to kill something
    That needs a 'HOLY SHIT' button, as 'Like' seems somewhat inappropriate!!!
    Micky Duck likes this.

  5. #5
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    that dent in your feeler gauge will flatten out with a hammer ......

  6. #6
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    thats a tricky way to check fireing pin indent....... wouldnt have thought of using that method myself.....

    good on you for letting others know of pitfalls to avoid.
    40mm likes this.

  7. #7
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    Quote Originally Posted by gundoc View Post
    Everybody makes mistakes, but a tradesman is really good at hiding them!
    i wont tell anyone about your wiring skills then ................................
    40mm and csmiffy like this.

  8. #8
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    Quote Originally Posted by gonetropo View Post
    i wont tell anyone about your wiring skills then ................................
    It is amazing what you can hide with insulation tape (and other things I learnt from you)!
    Sideshow, Micky Duck and Joe_90 like this.

  9. #9
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    Quote Originally Posted by gundoc View Post
    Everybody makes mistakes, but a tradesman is really good at hiding them!
    Or fixing them @gundoc. Was out at your old padawan Zacs work the other day and talking about shit like that
    Anyone can do good work, but sometimes it is experience gained by mistakes and shitty jobs, conditions, and materials that makes you a tradesman.
    We all make mistakes sometimes, as long as we learn from them it's not a complete waste
    Let's not go there on some of the very well intentioned stuff I did back in the day or even newer stuff like extremely rushed (and unfinished) checkering done with very basic and home made tools, like the end of a triangle file sharpened up.
    And no, I'm not putting a picture up of it as it would undo any admiration for the rest of that job lol
    Last edited by csmiffy; 08-01-2022 at 04:32 PM.
    Micky Duck likes this.

  10. #10
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    To me the WWW isn't the world wide web
    It's always been what went wrong
    Micky Duck and 40mm like this.

  11. #11
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    The forum member I was talking to about this a couple of days ago hasn't chipped in with any of has ones yet

  12. #12
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    Quote Originally Posted by gonetropo View Post
    i wont tell anyone about your wiring skills then ................................
    People are usually shocked when they find out what a terrible electrician I am.
    Beaker, gundoc, Micky Duck and 2 others like this.
    I'd like to verify your clam.

  13. #13
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    I uhhh removed the back of my bolt by not creating a bulge in the neck of a 270 case when converting it to 280
    definitely removed a bit of confidence in my loading ability at the same time
    Micky Duck likes this.

  14. #14
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    Quote Originally Posted by Bill999 View Post
    I uhhh removed the back of my bolt by not creating a bulge in the neck of a 270 case when converting it to 280
    definitely removed a bit of confidence in my loading ability at the same time
    please explain. Didnt quite pick up what you put down there. Did you wreck your rifles bolt and have a code brown?

  15. #15
    Member Marty Henry's Avatar
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    When bedding a rifle, its quite important to make sure you get release agent onto all the metalwork and if there are little cutouts and things in the reciever to fill them flush with plasticine or similar before bedding, or so im told.
    7mmsaum, Beaker, akaroa1 and 5 others like this.

 

 

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