# Daniel Defense DDM4 ISR .300 Blackout 16in Dark Brown

**Brand:** Daniel Defense
**Category:** AR Style Rifles
**Caliber:** .300 AAC Blackout

## Specifications

- **Caliber:** .300 AAC Blackout
- **Barrel Length:** 16"
- **UPC:** 815604018937
- **SKU:** UCEMGdLPF

## Description

The Daniel Defense DDM4 ISR is an AR-15 pattern rifle chambered in .300 Blackout with a 16-inch integrally suppressed barrel assembly. It is finished in Dark Brown and built to Milspec+ specifications. This configuration includes an integral suppressor; transfer requires additional federal paperwork.

### Key Specifications
- **Brand**: Daniel Defense
- **Model**: DDM4 ISR
- **Caliber**: .300 Blackout
- **Action**: Semi Auto
- **Barrel Length**: 16 inches (integral suppressor assembly)
- **Color/Finish**: Dark Brown

### Detailed Features
- 16-inch integral suppressor assembly built into the barrel
- AR-15 platform chambered in .300 Blackout
- Built to Milspec+ standard
- Dark Brown finish

## Frequently Asked Questions

**Q: What caliber is the DDM4 ISR?**

A: The Daniel Defense DDM4 ISR is chambered in .300 Blackout.

**Q: Who makes the DDM4 ISR?**

A: The DDM4 ISR is made by Daniel Defense.

**Q: What type of firearm is the DDM4 ISR?**

A: The DDM4 ISR is an AR-style semi-automatic rifle built on the AR-15 platform.

**Q: What is the barrel length of the DDM4 ISR?**

A: The DDM4 ISR has a 16-inch integrally suppressed barrel assembly.

**Q: What finish does the DDM4 ISR come in?**

A: This DDM4 ISR is finished in Dark Brown.

**Q: Where can I buy the Daniel Defense DDM4 ISR?**

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.*

> It even affected the cyclical rate a little bit like it slowed down it definitely slowed down but um wow this works really well with both so dope.
>
> — [TFB TV](https://www.youtube.com/watch?v=JTINHz--WZI&t=534s)

> The ISR is so quiet because there is a massive amount of internal volume in this can therefore it actually takes two or three shots to fill the can with enough gas to eliminate that pop.
>
> — [TFB TV](https://www.youtube.com/watch?v=JTINHz--WZI&t=830s)

> Tough as this gun may be I would not shoot it without gloves other than that I don't have anything to complain about.
>
> — [TFB TV](https://www.youtube.com/watch?v=JTINHz--WZI&t=995s)

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the DDM4 ISR consistently credit Daniel Defense for the build quality. The fit, finish, and tight tolerances are a regular talking point, and the integral suppressor is seen as a cleaner execution than mounting a standalone can to a standard barrel.

The single-transfer suppressor host format is the main draw for buyers comparing it to separate host-plus-suppressor setups. The flip side is that the integral suppressor cannot be swapped or removed for other configurations, which some owners view as a limitation if their use case changes.

The Dark Brown Milspec+ finish draws more interest from buyers than standard black variants, though opinions on .300 Blackout ammunition cost compared to more common calibers come up in longer owner discussions. Buyers who approach the DDM4 ISR as a dedicated suppressed host tend to report more satisfaction than those who wanted flexibility.

## Pricing

**2 offers available**

| Vendor | Price |
|--------|-------|
| Grabagun Com | $3742.00 |
| Impactguns Com | $4047.00 |

## Similar Products

- [Daniel Defense DDM4 V7 .300 AAC Blackout 10.3in Mil Spec Brown](https://gunsnation.com/p/daniel-defense-ddm4-v7-300-aac-blackout-10-3in-mil-spec-brown/UCEPj69XJ)
- [Daniel Defense DDM4 V7 Pistol .300 AAC Blackout](https://gunsnation.com/p/daniel-defense-ddm4-v7-pistol-300-aac-blackout/UCEPj69Vi)
- [Daniel Defense DDM4 PDW .300 Blackout 7in FDE](https://gunsnation.com/p/daniel-defense-ddm4-pdw-300-blackout-7in-fde/UCEPj69y5)
- [Daniel Defense DDM4 PDW .300 Blackout 7in Cobalt](https://gunsnation.com/p/daniel-defense-ddm4-pdw-300-blackout-7in-cobalt/UCEPj69yg)
- [Daniel Defense DDM4 ISR .300 AAC Blackout 9in Black](https://gunsnation.com/p/daniel-defense-ddm4-isr-300-aac-blackout-9in-black/UCEMGdLIT)
- [Daniel Defense DDM4 PDW .300 AAC Blackout 7in Black](https://gunsnation.com/p/daniel-defense-ddm4-pdw-300-aac-blackout-7in-black/UCEPj69v6)

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