HECKLER AND KOCH MARK 23 for Sale
Browse heckler and koch mark 23 listings from verified sellers across the U.S. on GunsAmerica.
Quick Look
Originally developed in the early 1990s for U.S. Special Operations Command, the Heckler & Koch Mark 23 is a full-size combat pistol engineered for extreme durability and battlefield performance. It combines unmatched reliability with precision, thanks to its match-grade barrel and threaded suppressor-ready design. Though no longer in military procurement, it remains in demand among collectors and discerning shooters seeking top-tier tactical handguns.
Why It's a Top Choice
- Match-grade accuracy with threaded barrel and O-ring lockup
- Built for suppressor use with raised sights and slide lock
- Extremely durable and corrosion-resistant components
- Proven NATO SOF adoption under USSOCOM trials
- Single/double-action trigger with decocker and safety
Key Variants
Heckler & Koch Mark 23
The original .45 ACP configuration designed for USSOCOM operations, ideal for those seeking military-grade endurance.
Heckler & Koch Mark 23 (Used)
Pre-owned units offer affordability while retaining legendary performance and quality—popular among collectors.
Competitor Comparison Table
| Feature | Mark 23 | P226 Legion | FNX-45 Tactical |
|---|---|---|---|
| MSRP | $2,300+ | $1,400 | $1,200 |
| Capacity/Size | 12+1, Full-size | 15+1, Full-size | 15+1, Full-size |
| Weight | 39.3 oz | 32 oz | 33.3 oz |
| Optics-Ready | No | Optional | Yes |
| Trigger Type | DA/SA | DA/SA | DA/SA |
| Notable Pro | Extreme durability and suppressor optimization | Elite performance with ergonomic upgrades | Factory optics mounting, ambidextrous controls |
| Notable Con | Large size limits concealment | Not suppressor optimized | Less precise than Mark 23 at range |
Best Use Cases
- Duty or special operations sidearm
- Tactical pistol training and suppressed shooting
- Home defense with suppressor compatibility
- Range sessions focused on precision handgun work
- Serious military and H&K collections
FAQs
What is the Heckler & Koch Mark 23 known for?
The Mark 23 is renowned for its exceptional durability, .45 ACP accuracy, suppressor-ready design, and USSOCOM origins.
Can I mount a red dot on the Mark 23?
The factory Mark 23 is not optics-ready; mounting a red dot requires aftermarket slide milling or adapters.
How does the Mark 23 compare to the USP Tactical?
The Mark 23 is larger, heavier, and tested to USSOCOM specs, while the USP Tactical is more compact and affordable.
Prefer nearby results? Toggle to search local listings.
Heckler & Koch Mark 23 (81001074)
$2,499.99
Heckler & Koch Mark 23 (81000868)
$2,499.99
Heckler + Koch Mark 23 .45ACP 10+1 81000
$2,499.99
Sign up for our newsletter
Frequently asked questions
What types of firearms does GunsAmerica offer online?
Are there any restrictions to buying legal firearms from GunsAmerica?
What are some of the best firearm companies available at GunsAmerica?
Can I sell my firearm to GunsAmerica?
How does GunsAmerica handle firearm shipping and transfers?
Who We Are
About
From the latest advancements in firearm technology to trusted essentials, GunsAmerica offers a comprehensive selection of gun accessories designed to enhance performance, reliability, and safety. Whether you need precision optics, durable stocks, high-capacity magazines, suppressors, or muzzle devices, our marketplace provides everything required to maintain, upgrade, and customize your firearms. We feature products from leading manufacturers, ensuring superior quality and compatibility across all firearm platforms. Our extensive inventory is built to support every shooter’s needs, from tactical applications and competitive shooting to hunting and everyday carry. At GunsAmerica, we are committed to delivering a seamless, secure shopping experience with competitive pricing, making it easier than ever to find the right accessories to optimize your firearms for any mission or environment.


