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  1. MIM Parts Question - 1911Forum

    May 9, 2024 · The problems with MIM parts in guns boils down to choosing some parts that are incompatible with MIM (Colt extractors come to mind)and bad manufacturing processes that …

  2. When did Tisas stop using MIM parts - 1911Forum

    May 20, 2024 · How can I tell if my Tisas has MIM parts? Of my four Tisas models three of them say "TISAS KNOXVILLE TN" and one says "SDS KNOXVILLE TN". I suspect that the model …

  3. 1911 Mim extractor, replace or not? - 1911Forum

    Oct 14, 2025 · MIM is powdered metal pressed into near net shape, then sintered (heated enough to melt only the outer surfaces of each powder particle) This precludes grain growth …

  4. What are "MIM" internal parts? - 1911Forum

    Aug 31, 2001 · MIM is Metal Injection Moulding. I't a step up in the "sintered metal" process of producing a part that is close to if not dimensionally correct without extra machining. It works …

  5. MIM parts? - 1911Forum

    Apr 6, 2025 · MIM, forged, machined, cast—they can all be done right, and they can all be done wrong. Kimber and Smith of certain eras were bad MIM. Metal sintering reduces dimensions …

  6. Does have MIM parts? - 1911Forum

    Mar 24, 2025 · MIM has come a long way. The parts you are replacing the MIM with may be worse than the MIM. Many of the best knife steels, like those from Crucible Steel, are MIM.

  7. Any pistol manufacturers that DON'T use MIM parts? - SIG Talk

    Nov 24, 2019 · To me part of the allure of a quality firearm is the quality: that if you really take care of the firearm you can keep it for generations. Today though many firearms are made …

  8. MIM parts in an Operator? - 1911Forum

    May 18, 2010 · Newbie here. I'm wondering if there are any MIM parts in the new MC Operator. Regardless, should I or should I not worry, and why?

  9. Springfield Mil Spec Parts Update - 1911Forum

    Jun 8, 2025 · Maybe a 'who-cares,' but you replaced your MIM Springfield hammer and slide stop with MIM Colt parts. The EGW sear is a significant improvement, though. Does Springfield still …

  10. Kimber's "MIM" parts - 1911Forum

    Feb 21, 2011 · Colt MIM, in these limited applications, seems to hold up well. Kimber had very large failure rates on MIM early on, our local original Kimber Master Dealer kept Wilson parts, …