XDM .40 and .357?

Discussion in 'XD Forum' started by JustinM, Feb 23, 2013.

  1. JustinM

    JustinM New Member

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    I saw a video where a guy changed the .40 barrel out for a .357 sig barrel and shot both rounds. Is that okay for your gun? Idk why it wouldn't be but I want to do it.