# HK Mark 23 Tactical .45 ACP Pistol

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

## Specifications

- **Caliber:** .45 ACP
- **Barrel Length:** 5.9"
- **Capacity:** 10 rounds
- **Finish:** Black
- **Weight:** 39.36 oz
- **Overall Length:** 9.65"
- **UPC:** 642230244658
- **SKU:** UCBJ1QejC

## Description

The Heckler & Koch Mark 23 is a full-sized semi-automatic pistol chambered in .45 ACP, built around cold hammer-forged steel and a polymer frame. It was originally developed to meet U.S. SOCOM requirements, and that military pedigree shows in its construction tolerances and tolerances for suppressor and LAM unit use.

## Key Specifications
- **Manufacturer**: Heckler & Koch
- **Model**: Mark 23
- **Caliber**: .45 ACP
- **Action Type**: Double Action / Single Action
- **Barrel Length**: 5.87 inches (threaded)
- **Overall Length**: 9.65 inches
- **Height**: 5.9 inches
- **Width**: 1.53 inches
- **Capacity**: 10 rounds
- **Weight**: 39.36 ounces (2.46 pounds)
- **Frame Material**: Polymer with a black finish
- **Slide Material**: Steel with a black finish

### Precision Engineering
The cold hammer-forged barrel holds up over high round counts without significant throat erosion, which is partly why the Mark 23 earned its reputation for consistency.

### Advanced Sights
Fixed sights use a 1-Dot Front and 2-Dot Rear tritium configuration for low-light target acquisition.

### Grip Design
The polymer backstrap is textured for a firm purchase and helps manage recoil fatigue over longer range sessions.

### Safety Features
An ambidextrous safety lever and a decocking lever are both present, allowing safe DA carry with the hammer down.

## Target Audience
The Mark 23 suits experienced owners who want a duty-grade .45 ACP, particularly those interested in suppressor-host use given the threaded 5.87" barrel. It's large and heavy for carry, but that weight tames recoil at the range and it's a serious collector piece given its SOCOM origins.

## Usage Scenarios
The Mark 23 works well as a range gun, a home-defense option, or a suppressor host. Its precision and .45 ACP chambering also make it a natural fit for law enforcement or military-adjacent training contexts where the caliber is standard issue.

## What Customers Say

*AI-generated insights from customer reviews*

The HK Mark 23 draws strong opinions, largely split along the lines of what buyers expect from it.

Build quality is the most consistently praised aspect. Owners describe the materials and fit as genuinely military-grade, and the pistol holds up through high round counts without issues. Accuracy gets equally positive marks. Many shooters consider it one of the more accurate .45 ACP platforms available, which makes it a go-to for target work and tactical training.

The ergonomics land well for most shooters. Controls are intuitive, and the grip gives a confident hold. The .45 ACP chambering is a deliberate choice for buyers who prioritize terminal performance in a duty or home-defense context, and the threaded barrel makes suppressor use straightforward.

The criticisms are real and worth knowing before buying. At 39.36 oz unloaded, the Mark 23 is genuinely heavy, not a concealed-carry gun for most people. The price is high relative to other .45 ACP pistols, and while most owners feel the quality justifies it, budget-minded buyers will find capable alternatives for less. Aftermarket accessory availability is narrower than for more common platforms, and .45 ACP does produce more felt recoil than smaller calibers, which newer shooters notice.

The overall picture: buyers who go in knowing it's a large, expensive, suppressor-capable .45 ACP with military roots tend to be satisfied. Those expecting everyday-carry ergonomics or budget pricing are usually disappointed.

## Pricing

**1 offers available**

| Vendor | Price |
|--------|-------|
| Impactguns Com | $2699.00 |

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