Search results

  1. Westerly

    Converting .40 Sigma to 9mm

    Not sure you want to do this... Looking at maximum average chamber pressures of 9mm, 40 S&W and .357 sig suggests that the idea above just might be dangerous: 9mm = around 30,000 PSI 40 S&W = around 23,000 PSI .357 sig = around 39,000 PSI removing metal from a chamber designed for the 9mm...
Back
Top