Have for sale a BarSto 9mm conversion barrel for the Glock 23C model. This barrel will convert your 40 S&W G23C to 9mm. Barrel has ports on the top side and has seen a few hundred rounds and the gun was sold a while back, but totally forgot about this barrel. Selling for only $125 shipped. Please message me if interested, I can send over a few pics via email/text. thanks.