Re: Probably a stupid question. Glock guys please.
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Renegade</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Rtgfi</div><div class="ubbcode-body"> Thanks. Zip this one up and throw it away please. </div></div>
Lets correct the errors first.
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Downzero</div><div class="ubbcode-body">No you cannot convert your 9mm to a .40. you can go the other way (.40 to 9mm) but I would not suggest that, either.
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No, you cannot convert a 40 to 9mm via BBL/Mag only change. Generally speaking, only 40 & 357Sig are convertible. </div></div>
That's not true. You can, and many people do, convert 40S&W Glocks to shoot 9mm. It's just .5mm on any point around the cartridge. I wouldn't use it for a defensive weapon because of this, but I have never personally experienced a malfunction. Great for less expensive practice. You cannot use the standard barrel though, you have to use a conversion barrel. The hold in the slide for the barrel is slightly larger on the 40, so the conversion barrel is also larger to reflect this. The frame between the 17/22, 19/23, 26/27 are interchangeable, so mags are as well. It's inadvisable to use 40 mags with 9mm, though I hear it works sometimes.