Originally Posted by dwhite:
If you get a Glock 23 in .40 you can purchase barrels in both 9mm and .357 Sig which give you three pistols in one. The .40 mags will work with .357 Sig. Apparently the 9mm barrels work best with G19 mags.
Lot of options with a Glock. Lots of aftermarket items.
True, I own a Glock 27 and have 9mm & 357 sig barrels for it, but I also own an M&P 40 Pro with 9mm & 357sig barrels as well. Both the Glocks and M&Ps are convertable to those different rounds with only a barrel change (+ mags for 9mm).