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Thread: RevolverGuy series on MIM

  1. #1

    RevolverGuy series on MIM

    RevolverGuy.com is in the midst of a pretty in-depth series on MIM parts with a focus on S&W revolvers. I found it thought provoking and I thought the folks here might find it interesting as well.

    Part I: https://revolverguy.com/all-about-mi...ne/#more-10563
    Part II: https://revolverguy.com/all-about-mim-part-two/

    Part III isnít up yet but Iíll update once it is available.

  2. #2
    Murder Machine, Harmless Fuzzball TCinVA's Avatar
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    There's been a lot of wailing about MIM, partially because people are woefully ignorant and partially because there have been MIM products out there that were done badly. It's hilarious watching people who depend on the MIM-manufactured gears in their transmissions to function daily complaining about MIM in pistol parts.
    3/15/2016

  3. #3
    Site Supporter Trooper224's Avatar
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    Too many people are too young to remember how crappy many forged parts could be back in the day. It's not design, it's execution.
    We may lose and we may win, but we will never be here again.......

  4. #4
    Site Supporter SecondsCount's Avatar
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    Quote Originally Posted by TCinVA View Post
    There's been a lot of wailing about MIM, partially because people are woefully ignorant and partially because there have been MIM products out there that were done badly. It's hilarious watching people who depend on the MIM-manufactured gears in their transmissions to function daily complaining about MIM in pistol parts.
    I've broken machined steel, investment cast, and MIM manufactured firearm parts. Springs are what I have seen fail the most yet they are rarely talked about.

    Quality control insures that you receive a good part but everyone has a price they are willing to pay.
    -Seconds Count. Misses Don't-

  5. #5
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    As most know, Ruger has made excellent cast products like frames and then slides for decades. If these items had shortcomings at any time, I don't recall it being reported. I have zero issues with S&W's mim parts despite being a traditionalist. My view changed over time.

  6. #6
    If you do your own trigger work on S&W revolvers there's not a quicker easier task than MIM parts. They are literally the "easy button".

  7. #7
    The third and final part is available.

    Part III: https://revolverguy.com/all-about-mi...ee/#more-10570

  8. #8
    Mike Heffron talks at length about the MIM Colt is using in their current revolvers. The parts are made by a US defense contractor (Pratt & Whitney) and are supposed to be very strong and have tight tolerances. Thatís coming from a gunsmith that works on Colts all the time. I think MIM works great in a part designed for it and executed by someone that knows what theyíre doing.

    Technology improves and manufacturing follows. Look at Hi Powers. They want to a cast frame when they rolled out .40 because the cast frames are stronger. Why? Forged frames have to use an alloy that lends itself to forging which, in the case of the BHP, was not as tough as the alloy they could use in casting.

    https://www.heffronprecision.com/blog

  9. #9
    Good to see that we have domestic MIM contractors.
    Early days when there were a lot of real complaints about the type, there were advertisements in the gunzines for Indomim as a source of parts.
    Code Name: JET STREAM

  10. #10
    Hokey / Ancient JAD's Avatar
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    Quote Originally Posted by Jim Watson View Post
    Good to see that we have domestic MIM contractors.
    Early days when there were a lot of real complaints about the type, there were advertisements in the gunzines for Indomim as a source of parts.
    things can change but last I knew P&Wís MIM plant was in Quebec.
    Ignore Alien Orders

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