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Thread: New Build Not Extracting

  1. #1
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    New Build Not Extracting


    Ok so I have put together my first build. I have a criterion lite varmint 300 mag barrel and I used Forster go/no go guages to set headspace. Keep in mind this the first time I have done this. When I put the guages in my bolt would not extract them I thought maybe it was just the guages so I put some cartridges in and it won't extract them either. The case just stays in the chamber. What did I do wrong?


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  2. #2
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    Are they not extracting because they are stuck in the chamber? Or are they not grabbed by extractor?

    G

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    Quote Originally Posted by GeorgeS View Post
    Are they not extracting because they are stuck in the chamber? Or are they not grabbed by extractor?

    G
    I don't think they are grabbed by the extractor because I can tilt the gun back and the cartridge falls out.


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    Check to see whether you lost the detent ball.

    G

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    Quote Originally Posted by GeorgeS View Post
    Check to see whether you lost the detent ball.

    G
    Well I didn't take apart the bolt when I set the headspace. Is that my problem?


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  6. #6
    Basic Member DrThunder88's Avatar
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    Possibly. If you stopped screwing in the barrel before the gauge reached the bolt face, then it's possible that is the reason. I have set the headspace on almost all of my builds with the bolt head fully assembled. It hasn't been a problem, however I was always sure the gauge was snug against the bolt face and was extracted by the extractor.

  7. #7
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    I will take everything apart and try again


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  8. #8
    Thumper76
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    When you try to close the bolt on the no-go gauge, will it extract it?

  9. #9
    Basic Member short round's Avatar
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    The extractor most likely did not go over the rim of go gauge, head space is excessive & needs reset.

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    Quote Originally Posted by short round View Post
    The extractor most likely did not go over the rim of go gauge, head space is excessive & needs reset.
    That is what the problem was, I took everything apart and put it back together and it worked fine.


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  12. #12
    Team Savage GaCop's Avatar
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    I love a happy ending!

  13. #13
    Basic Member DrThunder88's Avatar
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    I'm glad you tested it so thoroughly before firing that Win Mag! On the off chance the firing pin hit the primer, that could have been very dangerous.

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    Quote Originally Posted by DrThunder88 View Post
    I'm glad you tested it so thoroughly before firing that Win Mag! On the off chance the firing pin hit the primer, that could have been very dangerous.
    No chance I was even gonna think about pulling the trigger unless I was confident it was put together right. Gonna try it out this weekend I can't wait!


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    Put it on a rest with a sandbag lying on top. Attach a long string to the trigger; load a round, back up as far as the string allows, then pull.

  16. #16
    Basic Member Robinhood's Avatar
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    I find that putting a primer in the case and trying it that way is a safe way to test fire a rifle. Take all that string and throw it in the brush pile.


    Edit

    Quote Originally Posted by GeorgeS View Post
    Put it on a rest with a sandbag lying on top. Attach a long string to the trigger; load a round, back up as far as the string allows, then pull.
    Last edited by Robinhood; 08-16-2016 at 08:16 PM. Reason: Added Quote
    The Dunning-Kruger effect is alive and well.

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    Quote Originally Posted by Robinhood View Post
    I find that putting a primer in the case and trying it that way is a safe way to test fire a rifle. Take all that string and throw it in the brush pile.
    How would that test for headspace issues?

  18. #18
    Basic Member Robinhood's Avatar
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    That was not the point of my suggestion. It was in reference to the post prior to mine using a long piece of string to test fire with a loaded round. JMHO but I would never test fire a gun with a loaded round that you aren't sure if the head space is correct.

    But to answer your question, a light or no primer strike might be an indicator of poor head space.


    Quote Originally Posted by GeorgeS View Post
    Put it on a rest with a sandbag lying on top. Attach a long string to the trigger; load a round, back up as far as the string allows, then pull.

    How would this test for head space issues?

    Moving the shoulder forward....Not in my rifle.
    The Dunning-Kruger effect is alive and well.

  19. #19
    bodywerks
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    Lucky for him it would never have hit the primer. I takes quite a bit of force to get a case behind the extractor. That's what the lead in chamfer is in the receiver for. In the op's case, it never had the opportunity to do its job.

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