Letter Re: .40 S&W to 9mm Conversion Barrel for a Glock Model 23?
…have been unable to find this conversion barrel. Do you know anything about it? (I realize that a 9mm magazine must also be used.) Thanks for a great web site. – C.G. in N.C. JWR Replies: As I recall, to convert a Glock Model 23 .40 S&W to 9mm (in effect turning it into a Model 19) requires a M19 conversion barrel, a M19 slide, and even a different ejector. Magazines are not an issue. According to SurvivalBlog reader C.T., a M23 (.40 S&W) magazine will reliably feed 9mm cartridges just fine, without modification. (Although the baseplate markings might be confusing, in the heat of battle.) Perhaps one of the SurvivalBlog readers that is a Glock aficionado can e-mail me the details on conversion barrels, and I will post them. In the interim, you might nose around a bit at my favorite Glock site: Scott Greenbaum’s Glock FAQ page: http://www.glockfaq.com/guide.htm…