Seems that the enlagement of the mouth of the chamber to .40 specs (approx .040" larger) would make the chamber wall very close at the bottom, where the chamber, hood, and the supported ramp meet. Any integrity/pressure concerns here?
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Ret. LE, FA Instr, S&W Armorer
Last edited by armorer951; 09-07-2016 at 02:03 PM.
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