The Heckler & Koch Mark 23 is a full-size .45 ACP semi-automatic pistol developed for demanding service use. It features a 5.87-inch threaded barrel, an ambidextrous manual safety and decocker, fixed 3-dot sights, and a durable polymer grip frame. Its 10+1 capacity and ergonomic controls provide a practical combination of shootability, handling, and robust construction.

Key features

• .45 ACP chambering delivers substantial defensive and duty performance
• 10+1 capacity supports extended shooting between reloads
• 5.87-inch threaded barrel uses a 0.578x28 thread pitch for compatible muzzle accessories
• Ambidextrous manual safety and decocker accommodate left- and right-handed users
• Fixed 3-dot sights provide a clear, familiar sight picture
• Polymer grip frame promotes durable, comfortable handling

The Heckler & Koch Mark 23 combines a threaded barrel, ambidextrous controls, and proven .45 ACP performance in a distinctive full-size service pistol configuration.