H&K Mark 23 | .45 ACP | 5.87 in | 10+1 | 81000869

The Heckler & Koch Mark 23 is a full-size semi-automatic pistol built for robust performance and precise handling. It features a threaded polygonal barrel and a durable polymer frame finished in Flat Dark Earth, paired with a black serrated steel slide. For an optic, a compact red-dot such as the Trijicon RMR Type 2 pairs well with the Mark 23 and is commonly used under $1000 for handgun optics.

Recommended applications include precision target shooting at the range and duty/service use where reliability and controllability are priorities.

Product Specifications

• The manufacturer is Heckler & Koch / H&K.
• The model and part number is Mark 23 — 81000869.
• The caliber is .45 ACP.
• The barrel measures 5.87 inches and features a threaded polygonal profile.
• The slide is a black Cerakote serrated steel construction.
• The frame finish is Flat Dark Earth polymer and includes an accessory rail.
• The capacity is 10 + 1 rounds.
• The action is double / single action.
• It includes an ambidextrous safety lever with a separate decocking lever.
• The package includes two 10-round magazines.
• The sights are a white three-dot configuration.
• The pistol uses an USP-type mechanical recoil reduction system designed to reduce recoil forces by approximately 30%.
• An O-ring barrel lockup is used to ensure optimal side-to-barrel contact for accuracy.
• The barrel is threaded to accept suppressors or muzzle devices where legal.
• The UPC is 642230267350.

Robust construction, accurate barrel lockup, and a recoil reduction system make the Mark 23 an excellent choice for shooters who prioritize controllability and long-range handgun accuracy. Its full-size frame accepts optics and accessories comfortably while the included magazines and factory features provide a complete, ready-to-use package for the range or duty scenarios.