Glock G23 US Barrel .40 S&W1 in 9.84in Twist - 4.02in - Black Matte SP04466. 02 inches: Manufacturer: Glock Color: Black Finish: Matte Fabric/Material: Steel Gun Make: Glock Gun Model: Glock 23 Package Contents: Glock G23C US Barrel 4.02 inches Glock...