Quote:
Originally Posted by The Reaper
I do not believe that the slides are the same for all of those rounds, or all you would need to convert is a barrel.
The 9x19 and the .40/.357 SIG have different case head diameters, and consequently, different breech faces, not to mention slide weight is probably different.
TR
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I used to own a G23 originally in .40. For variety, I purchased the .357 Sig barrel and 9mm barrel to shoot those rounds as well.
For the 9mm, only a barrel and G19 magazines were needed. Some recommend the G19 extractor while many say it is not necessary.
Right or wrong, I put a few thousand 9mm rounds through the G23 using only the conversion barrel and magazines and the G23 extractor never failed to pull the brass. Just my experience, nothing more. I never advise to use the 9mm on the G23 slide for defensive use but it worked well for me as a plinking rig at the range.
I eventually sold the pistol for my current XD9 which I like much better. The Glocks, to me, are the AK-47 of the handgun world; Damn reliable and accurate enough. I just really like the fell of the XD much better.