Heckler & Koch Pistol Magazine Mark 23 .45 ACP 10 Rounds Black 10. Specifications for Heckler & Koch Mark 23 .45 ACP 10 Round Pistol Magazine: Manufacturer: Heckler & Koch Gun Make: Heckler & Koch Gun Model: Heckler & Koch Mark 23 Caliber: .45 ACP Magazine Capacity: 10 Round Color: Black Quantity: 1 Fabric/Material: Steel Number of Rounds: 10 Package Contents: Heckler & Koch Mark 23 .45 ACP 10 Round Pistol Magazine The HK 215670S Magazine Mark 23 45ACP 10 Round Steel Black Finish is a quality addition to the Heckler & Koch lineup. For more great deals on Pistol Magazines by Heckler & Koch please browse our Heckler & Koch Magazines page. What firearm models does the manufacturer say Heckler & Koch Mark 23 .45 ACP 10 Round Pistol Magazine is compatible with? The manufacturer says that Heckler & Koch Mark 23 .45 ACP 10 Round Pistol Magazine is compatible with Heckler & Koch Mark 23Heckler & Koch 50248616: Pistol Magazine Mark 23 .45 ACP 10 Rounds Black 10