# Daniel Defense DD4 M4A1 RIII 5.56 NATO 14.5in Black

**Brand:** Daniel Defense
**Category:** Handguns
**Caliber:** 5.56 NATO

## Specifications

- **Caliber:** 5.56 NATO
- **Barrel Length:** 14.5"
- **UPC:** 818773025010
- **SKU:** UCEPj6AeQ

## Description

Daniel Defense builds the DD4 M4A1 RIII as a semi-automatic rifle on the AR-15 platform, chambered in 5.56 NATO. It has a 14.5-inch government profile barrel pinned to a 16-inch overall length, paired with a mid-length gas system and the Daniel Defense RIII rail. It includes a B5 Systems CAR-15 stock along with a nickel boron coated bolt carrier group and a 32-round magazine.

### Key Specifications
- **Brand:** Daniel Defense
- **Model:** DD4 M4A1 RIII
- **Caliber:** 5.56 NATO / .223 Rem
- **Action:** Semi-Automatic
- **Barrel Length:** 14.5"
- **Capacity:** 32 Rounds
- **Finish:** Black

### Detailed Features
- 14.5-inch government profile barrel pinned to a 16-inch overall length for a compliant configuration
- Mid-length gas system for smoother, more consistent cycling
- Daniel Defense RIII rail for optic and accessory mounting
- Bolt carrier group coated in nickel boron, which resists corrosion and wipes clean easily
- B5 Systems CAR 15 stock for a controllable cheek weld
- Ships with one 32-round magazine

## Frequently Asked Questions

**Q: What caliber is the Daniel Defense DD4 M4A1 RIII?**

A: The DD4 M4A1 RIII is chambered in 5.56 NATO / .223 Remington.

**Q: Who makes the DD4 M4A1 RIII?**

A: Daniel Defense makes the DD4 M4A1 RIII.

**Q: What is the barrel length of the DD4 M4A1 RIII?**

A: It has a 14.5-inch government profile barrel pinned to a 16-inch overall length, with a mid-length gas system.

**Q: How many rounds does the DD4 M4A1 RIII hold?**

A: It ships with one 32-round magazine.

**Q: Is the DD4 M4A1 RIII optic-ready?**

A: Yes. It has the Daniel Defense RIII rail for mounting optics and accessories.

**Q: Where can I buy the Daniel Defense DD4 M4A1 RIII?**

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the DD4 M4A1 RIII generally report smooth, reliable cycling and tight tolerances typical of Daniel Defense's mid-length gas guns. The nickel boron coated bolt carrier group draws praise for staying cleaner longer between range trips, and the government profile barrel is seen as a durable, no-frills choice for hard use.

The RIII rail and B5 Systems stock get generally positive marks for handling and a solid cheek weld, though some shooters swap the stock for personal preference. The pinned barrel keeps the rifle at a compliant overall length without changing how it shoulders or points.

Because it's built on the standard AR-15 platform, the M4A1 RIII benefits from wide aftermarket support for optics, grips, and furniture. Buyers weigh the Daniel Defense price premium against the brand's reputation, and most consider the trade worth it for a rifle meant to see hard use.

## Pricing

**4 offers available**

| Vendor | Price |
|--------|-------|
| Shootingsurplus Com | $1922.70 |
| Grabagun Com | $1929.99 |
| Guns Com | $1949.99 |
| Buds Gun Shop | $1975.49 |

## Similar Products

- [Daniel Defense DD4 M4A1 RIII Gen 3 5.56 NATO Tactical Rifle, 14.5" Barrel](https://gunsnation.com/p/daniel-defense-dd4-m4a1-riii-gen-3-5-56-nato-tactical-rifle-14-5-barrel/UCEPj6ABx)
- [Daniel Defense DD4 V7 SLW 5.56 NATO 14.5in Black](https://gunsnation.com/p/daniel-defense-dd4-v7-slw-5-56-nato-14-5in-black/UCEPj6AZZ)
- [Daniel Defense DD4 RIII 5.56 NATO 16" Tactical Rifle - Black](https://gunsnation.com/p/daniel-defense-dd4-riii-5-56-nato-16-tactical-rifle-black/UCEPj6A6L)
- [Daniel Defense DD4 M4A1 RIII Gen 3 Tactical Rifle 5.56mm FDE/Black](https://gunsnation.com/p/daniel-defense-dd4-m4a1-riii-gen-3-tactical-rifle-5-56mm-fde-black/UCEPj6A6p)
- [Daniel Defense DD4 RIII 5.56 NATO 16" Semi-Auto Rifle - FDE/Black](https://gunsnation.com/p/daniel-defense-dd4-riii-5-56-nato-16-semi-auto-rifle-fde-black/UCEPj6A6Y)
- [Daniel Defense DD4 RIII 5.56 NATO 16" Tactical Semi-Auto Rifle](https://gunsnation.com/p/daniel-defense-dd4-riii-5-56-nato-16-tactical-semi-auto-rifle/UCEPj6A6R)

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