The Mk 23 Suppressor System is the factory-matched Knights Armament suppressor package developed alongside the Mk 23 pistol as part of the SOCOM Offensive Handgun Weapon System contract. The suppressor was a required component of the OHWS specification — the Mk 23 was designed from inception to be used suppressed as the primary configuration, not as an option. Type: Pistol Action: Semi-Automatic Caliber: .45 ACP Capacity: 12 Year introduced: 1996, Germany Weight: 42.08 oz Overall length: 9.65" Status: Active Military use: Yes Intended use: military, special_operations, collector