# HK Mark 23 Tactical .45 ACP Pistol w/ Threaded Barrel - Black

**Brand:** Heckler & Koch
**Category:** Full Size Handguns
**Caliber:** .45 ACP

## Specifications

- **Caliber:** .45 ACP
- **Barrel Length:** 5.9"
- **Capacity:** 12 rounds
- **Finish:** Blued
- **Weight:** 39.36 oz
- **Overall Length:** 9.65"
- **UPC:** 642230261587
- **SKU:** UCBJ1Qj8F

## Description

The Heckler & Koch Mark 23 is a full-size .45 ACP DA/SA pistol originally developed for U.S. Special Operations Command. It holds 12+1 rounds, runs a 5.87-inch threaded barrel, and comes in at 39.36 oz unloaded. The polymer frame keeps total weight reasonable given the size, and the steel slide provides the mass needed for reliable .45 ACP cycling.

### Key Specifications
- **Manufacturer:** Heckler & Koch (HK)
- **Model Name:** Mark 23
- **Caliber:** 45 ACP
- **Action Type:** Double/Single Action (DA/SA)
- **Capacity:** 12+1 rounds
- **Barrel Length:** 5.87 inches
- **Overall Length:** 9.65 inches
- **Width:** 1.53 inches
- **Height:** 5.90 inches
- **Weight (Unloaded):** 39.36 oz (2.46 lbs)
- **Finish Color:** Black Matte
- **Slide Material:** Steel
- **Frame Material:** Polymer
- **Safety Features:** Ambidextrous manual safety
- **Included Accessories:** Two magazines

### Detailed Features

1. **DA/SA Trigger**: The double-action first shot transitions to a lighter single-action pull, giving the shooter flexibility based on preference.

2. **Threaded Barrel**: Accepts suppressors and compensators without additional gunsmithing.

3. **Ambidextrous Safety**: Works for both right- and left-handed shooters.

4. **Fixed Sights**: No adjustment needed; consistent zero for standard use.

5. **Polymer Frame / Steel Slide**: Keeps weight down without sacrificing the mass needed for reliable cycling.

## Frequently Asked Questions

**Q: What caliber is the HK Mark 23?**

A: The HK Mark 23 is chambered in .45 ACP.

**Q: What is the barrel length of the HK Mark 23?**

A: It has a 5.87-inch threaded barrel.

**Q: How many rounds does the HK Mark 23 hold?**

A: It has a 12+1 capacity.

**Q: What action type is the HK Mark 23?**

A: The Mark 23 is a double/single action (DA/SA) pistol.

**Q: Who makes the Mark 23?**

A: The Mark 23 is made by Heckler & Koch (HK).

**Q: What type of firearm is the HK Mark 23?**

A: It is a full-size semi-automatic pistol with a polymer frame and steel slide.

**Q: Is the HK Mark 23 threaded?**

A: Yes, it has a threaded barrel.

**Q: Where can I buy the HK Mark 23?**

A: Compare current vendor offers on this page.

## What Reviewers Say

*Quoted verbatim from YouTube reviews. Each link opens the video at the moment quoted.*

> This is a huge gun a lot of people love it it has a threaded barrel.
>
> — [Gun For Hire](https://www.youtube.com/watch?v=x81TZcW-iw8&t=4s)

## What Customers Say

*AI-generated insights from customer reviews*

The HK Mark 23 draws a mix of genuine admiration and practical skepticism, often along the same axes.

Build quality and HK's reputation are the consistent positives. Owners describe the materials and fit as genuinely high-grade, and the pistol feels substantial and well-assembled. The threaded barrel is a major draw for suppressor users, and it is one of the few factory-threaded .45 ACP pistols available. Experienced shooters and newer owners alike report that recoil is controllable and accuracy at range is good.

The size and weight are the most common objections. At nearly 2.5 lbs unloaded and with a 9.65-inch overall length, the Mark 23 is not practical as a carry gun for most people and frames the discussion: most owners treat it as a range, tactical, or collection piece rather than a daily-carry option. Price is a frequent secondary concern. A segment of the buyer pool considers it justified by the quality, while others find it high relative to comparably capable guns. The general consensus is that it is a purpose-specific tool that excels in its intended role but is a poor fit for conventional carry.

## Pricing

**13 offers available**

| Vendor | Price |
|--------|-------|
| Kygunco Com | $2301.99 |
| Bereli | $2399.00 |
| Buds Gun Shop | $2430.49 |
| RK Guns | $2499.97 |
| Palmettostatearmory Com | $2499.99 |
| Guns Com | $2508.99 |
| Grabagun Com | $2579.99 |
| Classicfirearms Com | $2699.00 |
| Shootingsurplus Com | $2699.00 |
| Selwayarmory Com | $2699.00 |

*...and 3 more offers*

## Reviews

**Average Rating:** 5.0/5 (1 reviews)

> **frankie_9** (5/5): Balance is fantastic, and the controls feel so intuitive that there was nothing new for me to learn. The pistol shoots extremely smoothly, while the trigger is excellent. Those qualities complement on...

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*Data from [GunsNation](https://gunsnation.com)*