Heckler & Koch Mark 23 45ACP 5.8″ Threaded Barrel 12RD OD Green

The Heckler & Koch Mark 23 is one of the most legendary tactical pistols ever produced. Originally developed for elite military units requiring unmatched reliability, durability, and precision, the Mark 23 remains a benchmark for performance in the world of large-frame .45 ACP handguns.

Built to exceed demanding operational standards, this pistol combines rugged engineering with precision accuracy. Featuring a 5.87-inch threaded barrel, match-grade trigger, and OD Green polymer frame, the Mark 23 is designed for shooters who demand a pistol capable of performing under the toughest conditions.

The Mark 23 isn’t simply another handgun—it’s a purpose-built platform known worldwide for its strength, accuracy, and long service life.

Benefits

• Legendary Durability and Reliability – Built to exacting military standards, the Mark 23 is engineered to perform consistently even under extreme conditions and heavy use.

• Superior Accuracy for Precision Shooting – The match-grade trigger and extended barrel length work together to deliver exceptional control and consistent shot placement.

• Enhanced Tactical Versatility – The threaded barrel allows the use of suppressors or muzzle devices, expanding the pistol’s capability for specialized setups.

Features

• 5.87″ Threaded Barrel (16x1mm RH) – Designed for suppressor compatibility while delivering improved velocity and accuracy.

• Match-Grade Trigger System – Provides a crisp, consistent break for enhanced precision and shooting confidence.

• OD Green Polymer Frame with Ambidextrous Controls – Durable, lightweight construction with user-friendly operation for both right- and left-handed shooters.

Additional highlights include a frame-mounted decocker, manual safety lever, and fixed three-dot sights for reliable target acquisition. The large-frame design provides excellent recoil control for the powerful .45 ACP cartridge while maintaining the robust durability that has made HK pistols trusted worldwide.

The Mark 23 ships with two 12-round magazines, offering dependable feeding and solid capacity for a full-size tactical handgun.

Heckler & Koch Mark 23 Specifications

• Manufacturer: Heckler & Koch (HK USA)

• Model: Mark 23

• Caliber: .45 ACP

• Action: Double / Single Action (DA/SA)

• Barrel Length: 5.87″

• Barrel Type: Threaded (16x1mm RH)

• Frame Material: Polymer

• Frame Color: OD Green

• Slide Finish: Blued

• Overall Length: 9.65″

• Weight: 39.36 oz

• Capacity: 12+1

• Magazines Included: 2

• Sights: Fixed 3-Dot

• Safety: Manual Safety Lever

• Special Features: Match Grade Trigger, Ambidextrous Magazine Release, Frame-Mounted Decocker