The USSOCOM MK23 is a large-frame, .45 ACP semi-automatic pistol designed for use by U.S. Special Operations Command (SOCOM). Manufactured by Heckler & Koch, the MK23 was developed as part of the Offensive Handgun Weapon System (OHWS) program in the early 1990s, intended to provide special forces with a highly accurate, durable, and suppressed sidearm. The pistol features a threaded barrel for mounting a suppressor, a proprietary Laser Aiming Module (LAM) for improved targeting in low-light environments, and an extended 12-round magazine. Built for extreme reliability, it can function in harsh conditions, endure thousands of rounds without failure, and maintain accuracy beyond typical handgun ranges. Despite its exceptional durability and precision, the MK23 is notably large and heavy, leading some operators to favor more compact alternatives. However, it remains an iconic firearm in the world of military handguns, known for its legendary overengineering and association with elite special forces units.