MARK 23 FRAME KIT

The Heckler & Koch Mark 23 was originally developed at the request of U.S. Special Operations Command as part of the Offensive Handgun Weapons System program, and remains one of the most thoroughly tested combat handguns ever fielded. Endurance trials confirmed a service life exceeding 30,000 rounds of +P .45 ACP, with mean rounds between stoppages averaging well over 6,000, performance that put the Mark 23 in a class of its own. Match-grade accuracy was demonstrated across 450 test groupings averaging 1.44 inches at 25 meters, with multiple groups producing five rounds through a single hole. The Mark 23 delivers all of this without the hand-fitted parts that drive cost on competing match-grade pistols.

This kit pairs the serialized Mark 23 polymer frame with the supporting components needed for a complete build, configured for Massachusetts magazine capacity restrictions. Key Mark 23 design features carry through, including the patented O-ring barrel that seals the chamber against the slide for repeatable lockup, the polygonal bore profile that boosts velocity and barrel life, the frame-mounted decocking lever, and the ambidextrous magazine release. The double-action / single-action trigger system delivers a match-grade single-action pull behind a long, deliberate DA first shot. Universal accessory mounting grooves accept lights and lasers without rail adapters, and the patented Lock-Out Safety device provides an additional layer of authorized-user control.

• Originally developed for the USSOCOM Offensive Handgun Weapons System program
• Service life exceeding 30,000 rounds of +P .45 ACP
• Polygonal bore profile for increased velocity and barrel life
• Patented O-ring barrel seals chamber to slide for repeatable accuracy
• 5.87" threaded barrel (16x1mm RH) for suppressor use
• Match-grade trigger with frame-mounted decocker
• Ambidextrous safety lever and magazine release
• Universal accessory mounting grooves
• Patented Lock-Out Safety device
• Corrosion-resistant blued steel slide
• Fiber-reinforced polymer frame
• Configured to ship with 10-round magazines for Massachusetts compliance

Compliance Notice: The image displayed may show a complete firearm for illustrative purposes only. This product is a serialized frame kit and is not a complete handgun. Any assembly or configuration of this frame into a functional firearm must comply with all applicable federal, state, and local laws. The purchaser assumes all responsibility for lawful configuration and use.