Not all mim is equal Most manufacturers have figured that out now and it is a pretty well settled debate Mim parts are similar except they are injected with pressure to hopefully fill any voids which could potentially be caused by casting Neither casting or mim is perfect but if done right they are very good. Colt mim, in these limited applications, seems to hold up well 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 requires deep surface hardening Do it wrong, and you get undersized dimensions on some parts and thin surface hardening that wears uncommonly fast. When done poorly, or inconsistently, it gives mim technology a bad name and leads to broken or prematurely worn firearms. I'm wondering if there are any mim parts in the new mc operator Regardless, should i or should i not worry, and why?
Of my four tisas models three of them say tisas knoxville tn and one says sds knoxville tn I suspect that the model labeled sds still has mim but i am not sure. Mim is an injection molding process for metal parts, and it has been revolutionizing many industries In the revolver business, both smith & wesson and taurus have made use of mim parts. Mim proved to be a disastrous choice to make 1911 extractors, but that wasn't mim's fault The specs for that particular part simply called for something that could be made to function like a spring and mim just wasn't the right choice for that particular application.
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