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9mm vs. .40 longevity

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How much less is the lifespan of a modern .40 (not .45) pistol compared to a modern 9mm?

There's the Glock 17 in 9mm and the Glock 22 in .40, for example. S&W makes the M&P in both 9mm and .40 the last I checked. I think Sig makes both polymer and steel/aluminum pistols in .40. There was the CZ 75 in .40 but the don't make them anymore. I don't recall is Springfield makes their polymer guns in .40 anymore.
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I think a good side by side would be comparing longevity between the Glock 22 and the S&W M&P in 40. As I understand it when the the >40S&W was announced Gaston rushed to get the 22 out and simply increased the bore size on the Glock 17, whereas the M&P was designed around the 40S&W.
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