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 stem …

Mar 10, 2026 · Curious as to what parts are MIM on a Springfield Mil-Spec. Wondering if there are any particular parts I should look at or keep an eye on, or look to replace. TIA

Apr 5, 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 and still …

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, particularly …

Mar 24, 2026 · I understand the concern about MIM parts. Over the past couple decades, I've owned various manufacturer's guns with MIM parts. No MIM part ever caused an issue...

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 like this; powdered …

May 9, 2012 · I have heard that the heat treating on MIM parts is relatively shallow compared to typical heat treated forged parts. As a result, working a part results in quickly cutting through the surface …

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?

Jun 21, 2024 · I'm new to the 1911. I Bought my first a month ago, a Garrison 5", 45. Since joining this site a few months ago, my knowledge of the 1911 has expanded. I know many members own Tisas …

Nov 25, 2024 · Does anyone know which parts are MIM on the New, or any, Sig 1911s? The reason I’m asking is the right side ambi safety broke on me today while dryfiring. I only have 100 rnds through …