Glock G23 Gen 5 Pistol Magazine 40 S&W 13 Round Black 1 Pack Polymer 65281-13RD. Specifications for Glock G23 Gen 5 .40 S&W 13 Round Pistol Magazine: Manufacturer: Glock Gun Make: Glock Caliber: .40 S&W Magazine Capacity: 13 Round Color: Black...