Glock G23 .40 S&W Threaded Barrel Black. 40 S&W Threaded Barrel: Manufacturer: Glock Color: Black Caliber: .40 S&W Gun Make: Glock Gun Model: Glock 23 Condition: New Package Contents: Glock G23 .40 S&W Threaded Barrel What firearm models does the manufacturer say Glock G23 .40 S&W Threaded Barrel is compatible with? The manufacturer says that Glock G23 .40 S&W Threaded Barrel is compatible with Glock 23Glock GLSP39896: Glock G23 .40 S&W Threaded Barrel Black