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Thread: Who drills Colt lowers for front pivot pin detent and spring?

  1. #21
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    I've done it, too. Pat Aherne (another cop and M4C member) has seen the work. It's flawless.

    Simply, I used a Starrett punch to start where to drill. I used another pre-drilled lower to measure how far the drill bit needed to go and taped off the bit so I knew when to stop. I went slowly to be sure I was level on both the X and Y axis.

    I used the punch again to locate where the oil/drainage hole needed to be, after measuring against the other lower.

    I selected my drill bit based on the size of the hole and used a cordless Dremel tool. I placed the lower in a Brownell's lower receiver block and placed it in the vice. I went slowly and it took me about 15 minutes all told.

    I used the front detent pivot pin tool I got for a course at Lassen School of Gunsmithing, and installed the detent spring, the detent pin and the pivot pin.

    It came out perfect, and it was easy.

    If one doesn't feel comfortable doing it, then don't. Be careful about calling BS on someone, because the truth is, it's not nearly as hard as some make it out to be.

    Just because someone else can't or won't, doesn't mean it can't be done. Further, if I can do it, most anyone with confidence can, too. Yeah, maybe it took some stones -- maybe it didn't. Bottom line, it was easy, and I would do it again.

    It's not rocket science and it sure ain't brain surgery.

    YMMV
    Last edited by PRGGodfather; 12-12-08 at 01:35.
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  2. #22
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    Quote Originally Posted by PRGGodfather View Post
    ... Be careful about calling BS on someone, because the truth is, it's not nearly as hard as some make it out to be.
    .....

    True, but it's an example of when consequences outweigh probabilities.

    The consequences of destroying/damaging a perfectly good lower receiver
    far outweigh the probability of being able to brag that you did it yourself.

    In other words, it ain't worth it.
    Let a professional do it.
    "We make war that we may live in peace."
    -Aristotle

  3. #23
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    The choice to do it by hand or outsource it belongs to the owner, and that is true.

    To suggest it cannot be done at home, and calling BS on someone for having done it falls short of truth.

    As to benefits and risk that is merely a matter of perspective.

    If your limitations preclude attempting this, good call.

    If you're the type that like learning and DIY, I will say it again

    It is not rocket science or brain surgery.
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  4. #24
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    It is all going to depend on the skill of the one trying to drill the hole. I know some who could mess it up on a $15,000 Bridgeport milling machine and others who could do a perfect job with nothing but a handrill.
    Last edited by Scattergun; 12-12-08 at 16:05. Reason: missing words
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  5. #25
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    Amen to that, brother

    One can always practice on a blank before doing it for real.

    The skill development is worth the time, unless we make $250 an hour.

    Do it yourself or outsource, the choice is always yours and subject to your needs and wants.
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  6. #26
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    Quote Originally Posted by Stickman View Post

    packinheavy- If you are still active duty, guard, or reserve, talk to your CATM guys if you are reluctant to do it yourself.
    Stick,

    I am CATM , but I don't want to tackle this. None of the guys want to mess with it either. I think I will have an expert take care of it.

    Thanks for the input guys.

  7. #27
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    Quote Originally Posted by PRGGodfather View Post

    To suggest it cannot be done at home, and calling BS on someone for having done it falls short of truth.

    As to benefits and risk that is merely a matter of perspective.

    Just because you two have achieved hillbilly gunsmithing doesn't mean it should be done and posting about how easy it is misleading.

    That falls short of the truth.
    Last edited by scottryan; 12-12-08 at 20:59.
    "Not every thing on Earth requires an aftermarket upgrade." demigod/markm

  8. #28
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    Quote Originally Posted by PRGGodfather View Post


    I used the punch again to locate where the oil/drainage hole needed to be, after measuring against the other lower.

    Which didn't need to be done since the lower was already anodized.

    The "weep hole" on the detent fence is not for oil.

    Keep the BS coming.
    Last edited by scottryan; 12-12-08 at 20:51.
    "Not every thing on Earth requires an aftermarket upgrade." demigod/markm

  9. #29
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    Quote Originally Posted by PRGGodfather View Post
    Amen to that, brother

    One can always practice on a blank before doing it for real.

    The skill development is worth the time, unless we make $250 an hour.


    What skill has been developed?

    What blank are you using?
    "Not every thing on Earth requires an aftermarket upgrade." demigod/markm

  10. #30
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    Quote Originally Posted by PRGGodfather View Post
    I've done it, too. Pat Aherne (another cop and M4C member) has seen the work. It's flawless.

    Him and you being a cop qualifies yourselves on this issue how?
    "Not every thing on Earth requires an aftermarket upgrade." demigod/markm

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