# Daniel Defense MK18 5.56 NATO 10.3in

**Brand:** Daniel Defense
**Category:** AR Style Rifles
**Caliber:** 5.56 NATO

## Specifications

- **Caliber:** 5.56 NATO
- **Barrel Length:** 10.3"
- **UPC:** 815604016674
- **SKU:** UCEMGdKok

## Description

The Daniel Defense MK18 is an AR-platform pistol chambered in 5.56 NATO with a 10.3-inch barrel. It comes with the RIS II free-float rail system and an SBA3 stabilizing brace. Magazine capacity is 32+1 rounds.

### Key Specifications
- **Brand**: Daniel Defense
- **Model**: MK18
- **Caliber**: 5.56 NATO
- **Action**: Semi Auto
- **Barrel Length**: 10.3 in
- **Capacity**: 32+1

### Detailed Features
- 10.3-inch barrel on an AR-pattern pistol configuration
- RIS II free-float rail system
- SBA3 stabilizing brace
- 5.56 NATO chambering
- 32+1 round capacity

## Frequently Asked Questions

**Q: What caliber is the Daniel Defense MK18?**

A: The MK18 is chambered in 5.56 NATO.

**Q: Who makes the MK18?**

A: The MK18 is made by Daniel Defense.

**Q: What type of firearm is the MK18?**

A: It is an AR-platform pistol in a semi-automatic configuration with a 10.3-inch barrel.

**Q: What is the barrel length of the MK18?**

A: The MK18 has a 10.3-inch barrel.

**Q: How many rounds does the MK18 hold?**

A: It holds 32+1 rounds of 5.56 NATO.

**Q: What rail system does the MK18 use?**

A: The MK18 is equipped with the RIS II free-float rail system.

**Q: Where can I buy the MK18?**

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.*

> The Mark 18 is a tried and true. It's a classic.
>
> — [Valor Defense Depot](https://www.youtube.com/watch?v=nBlSAbZNPuU&t=44s)

> They're super sweet and if you put a Surfire RC2 on them, you get extra cool guy points.
>
> — [Valor Defense Depot](https://www.youtube.com/watch?v=nBlSAbZNPuU&t=56s)

## What Customers Say

*AI-generated insights from customer reviews*

The MK18 from Daniel Defense carries a premium reputation in the AR-platform pistol space. Owners consistently note tight tolerances and a quality feel throughout, with the RIS II rail holding zero on attached accessories reliably. Build quality is considered the main reason buyers choose it over less expensive options.

The short 10.3-inch configuration makes for a maneuverable package. The SBA3 brace is well-regarded by most owners. Concussive blast from the 10.3-inch barrel is a real consideration indoors, and a significant portion of MK18 owners run suppressors or use it exclusively at outdoor ranges.

Daniel Defense pricing sits above most competitors, and the MK18 is no exception. Most buyers feel the build quality justifies the cost, though some acknowledge they are paying a premium for the nameplate alongside the hardware. The trigger receives mixed reviews, with some owners replacing it immediately and others finding it adequate for their intended use.

## Pricing

**9 offers available**

| Vendor | Price |
|--------|-------|
| Impactguns Com | $2189.89 |
| Kygunco Com | $2213.00 |
| Buds Gun Shop | $2213.00 |
| Guns Com | $2215.99 |
| Shootingsurplus Com | $2250.00 |
| Globalordnance Com | $2250.00 |
| Centerfiresystems Com | $2250.99 |
| Deguns | $2300.99 |
| Grabagun Com | $2311.00 |

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