Glock G23 Pistol Magazine .40 S&W 13 Round Black 1 Pack Polymer MF23013-13RD. Specifications for Glock G23 .40 S&W 13 Round Pistol Magazine: Manufacturer: Glock Gun Make: Glock Gun Model: Glock 23 Caliber: .40 S&W Magazine Capacity: 13 Round Color:...