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Thread: 1990s Colts and MIM Extractors...

  1. #11
    One of the first things to do with a used 1911 is to check extractor tension and adjust or replace it. We've got a couple of current or semi-current threads going on making and keeping 1911s happy.

  2. #12
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    Thanks again for the input, guys. I picked up the 97 combat commander yesterday...

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    Some fine scratching on the slide in a few places and an idiot scratch on the frame. But the slide/frame fit is very solid. No rattles. Trigger feels great (to me). Better than my 2019 EMP.

    I haven’t taken out the extractor yet to get a definitive verdict on whether it’s MIM. But, it’s clearly been shot... and hasn’t broken. Also, the rear part of the extractor has been shaped so it’s flush with the back of the slide. Would that be done with MIM?

    As far as tension... it holds a round in place when gently shaking the slide. Vigorously shaking throws it loose. Also saw another technique where you put the barrel in over the round held by the extractor... remove the barrel... and then rotate the slide (Heirloom Precision has a video showing this). Round stayed put. Hand cycling, it arcs the rounds on a pretty consistent trajectory, but definitely doesn’t launch them. I certainly don’t think it’s too tight... and hopefully it’s tight enough to be reliable.

    Pretty busy with work and moving right now, so I haven’t/won’t have a ton of time to mess with it. I’ll hopefully get a few minutes to shoot it this week.
    Last edited by MattyD380; 11-17-2019 at 11:23 AM.

  3. #13
    Site Supporter farscott's Avatar
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    Perhaps it is the photos, but that pistol looks a bit yellower than stainless. Is it stainless or nickel-plated carbon steel? If the latter, it is a certainty the extractor is not MIM. The MIM extractor on the stainless guns is flash chromed, not nickeled.

  4. #14
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    Quote Originally Posted by farscott View Post
    Perhaps it is the photos, but that pistol looks a bit yellower than stainless. Is it stainless or nickel-plated carbon steel? If the latter, it is a certainty the extractor is not MIM. The MIM extractor on the stainless guns is flash chromed, not nickeled.
    I’m 99% sure it’s stainless. Looks pretty consistent with other stainless guns I’ve had—but who knows for sure. Here’s a look at the back of the extractor...

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    No seams or anything like that. But it is a slightly different shade compared to the rest of the gun.

  5. #15
    Site Supporter farscott's Avatar
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    Yup, that is a stainless pistol with the flash chromed extractor. If you remove the extractor, the ejector marks from the MIM process are easy to see. That being said, the rear of the extractor does not look like the MIM part to me. The finish is too smooth and lacks the porosity of the MIM part.
    Last edited by farscott; 11-17-2019 at 01:40 PM.

  6. #16
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    Quote Originally Posted by farscott View Post
    Yup, that is a stainless pistol with the flash chromed extractor. If you remove the extractor, the ejector marks from the MIM process are easy to see. That being said, the rear of the extractor does not look like the MIM part to me. The finish is too smooth and lacks the porosity of the MIM part.
    Isn’t the whole thing either MIM or not MIM?

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    If I have a few minutes tonight I’ll yank it outta there.

  7. #17
    Site Supporter farscott's Avatar
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    Yes, the whole extractor is or is not MIM, and it is possible to distinguish them in the pistol once you have examined a few of them. Of course, it is easier and definitive to examine the part when removed from the pistol.
    Last edited by farscott; 11-17-2019 at 03:29 PM.

  8. #18
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    Well, what’s the verdict? I don’t think it’s MIM—doesn’t have that gap like the one in the pic does.

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    Now for a lovely chorus of cursing as I try to get this sonnofabitch back together...

  9. #19
    Site Supporter farscott's Avatar
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    That is NOT a MIM extractor. Good luck with assembly.

  10. #20
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    Quote Originally Posted by farscott View Post
    That is NOT a MIM extractor. Good luck with assembly.
    Nice. Thanks for the confirmation. I got it back together without too much trouble/rampant profanity.

    Well, I suppose next step is too shoot it. Hopefully I’ll get it out this week.

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