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Daniel Defense M4A1 RIII Rifle

Daniel Defense M4A1 RIII Rifle

Manufacturer: Daniel Defense
Category: Small Arms & Infantry Weapons
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Caliber 5.56x45mm NATO
Effective Range Medium
Rate of Fire Semi-auto
Weight Medium

Defense Systems Full Specifications

1. General Information

Name	Daniel Defense M4A1 RIII
Weapon Type	Assault Rifle
Manufacturer	Daniel Defense
Country of Origin	United States
Year Introduced	2023
Designer	Daniel Defense
Service Status	In Service
Users	United States, civilian tactical market

2. Performance

Muzzle Velocity	Approx. 2,900 ft/s
Effective Range	500 to 600 meters
Maximum Range	Approx. 800 meters
Rate of Fire	Semi-auto
Accuracy	High
Reliability	High

3. Dimensions

Overall Length	Approx. 32.25 to 35.88 inches
Barrel Length	14.5 inches
Height	Approx. 7.75 inches
Width	Approx. 2.5 inches
Weight (Empty)	Approx. 6.74 lbs
Weight (Loaded)	Approx. 7.5 lbs

4. Ammunition & Firepower

Caliber	5.56mm NATO
Cartridge Type	5.56x45mm NATO
Feed System	30-round detachable magazine
Fire Modes	Semi-auto
Operating Mechanism	Gas-operated, direct impingement

5. Build & Materials

Construction	Aluminum alloy, steel, polymer
Durability	High
Ergonomics	Modern

6. Sights & Accessories

Standard Sights	Iron sights
Optics Compatibility	Picatinny top rail
Accessory Mounts	M-LOK
Optional Attachments	Optics, suppressor, flashlight, laser

7. Variants

Variants

M4A1 RIII, Standard tactical rifle with RIS III rail

8. Operational History

Combat Proven	Yes
Notable Conflicts	Derived from M4 operational lineage
Military Adoption	United States

9. Additional Notes

Special Features	RIS III free-floating rail system
Modern Upgrades	Ambidextrous controls, M-LOK compatibility

10. Disclaimer

PROS

Proven AR-platform reliability
Lightweight RIS III M-LOK rail system
Cold hammer forged barrel enhances durability
Fully ambidextrous controls improve usability
Strong optics and accessory compatibility

CONS

Higher price compared to standard AR-15 rifles
Direct impingement system requires regular cleaning
Limited long-range performance beyond 600 meters
Premium accessories increase total ownership cost
Civilian version lacks military select-fire capability

Daniel Defense M4A1 RIII: Modern Combat Rifle

The Daniel Defense M4A1 RIII Rifle is a modernized version of the combat-proven M4 platform designed for military, law enforcement, and civilian tactical applications. Built around the company’s upgraded RIS III rail system, the rifle offers improved modularity, reduced weight, and enhanced durability compared to earlier M4 variants. Chambered in 5.56x45mm NATO, the M4A1 RIII combines reliability, accuracy, and adaptability for close-quarters combat and medium-range engagements.

Designed with a cold hammer forged barrel and fully ambidextrous controls, the rifle is optimized for demanding operational environments. Its free-floating M-LOK handguard improves accessory compatibility while maintaining stability for optics and aiming devices. The rifle supports modern combat optics, suppressors, laser aiming systems, and tactical lights, making it suitable for evolving battlefield requirements.

Manufacturer

The M4A1 RIII is manufactured by Daniel Defense, a United States-based firearms company headquartered in Georgia. Known for producing military-grade rifles and accessories, the company supplies weapons and components used by U.S. military personnel, law enforcement agencies, and civilian shooters. The RIS III rail system incorporated into this rifle was developed as an evolution of the widely used RIS II platform employed by U.S. Special Operations Forces.

Speed and Range

The Daniel Defense M4A1 RIII fires the 5.56mm NATO cartridge with a muzzle velocity of approximately 2,900 feet per second depending on ammunition type. The rifle has an effective combat range of around 500 to 600 meters, making it suitable for urban operations and open-field engagements alike. Its direct impingement gas system contributes to manageable recoil and rapid follow-up shots.

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Cost/Price

In the U.S. commercial market, the Daniel Defense M4A1 RIII typically retails between $2,100 and $2,500 depending on configuration, optics packages, and included accessories. Pricing may vary based on state regulations and aftermarket modifications.

Disclaimer Note

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