Daniel Defense DD4 RIII S Rifle

Full Specifications

DD4 RIII S Rifle: Compact AR Platform for Modern Missions

The Daniel Defense DD4 RIII S Rifle is a compact AR-platform rifle designed for tactical operations, close-quarter engagements, and modern battlefield adaptability. Built around the proven 5.56×45mm NATO cartridge, the rifle combines lightweight handling with enhanced modularity through Daniel Defense’s RIII rail system.

Designed primarily for military, law enforcement, and professional civilian users, the DD4 RIII S emphasizes maneuverability without sacrificing accuracy or reliability. Its short barrel configuration makes it suitable for urban combat environments, vehicle operations, and confined-space missions where standard rifles may be less practical.

The rifle features fully ambidextrous controls, a free-floating barrel for improved precision, and compatibility with a wide range of optics and accessories. Its cold hammer-forged barrel enhances durability and service life under demanding firing conditions.

Manufacturer

The DD4 RIII S is produced by Daniel Defense, a U.S.-based firearms manufacturer headquartered in Black Creek. The company is widely recognized for producing military-grade AR-pattern rifles, rails, and accessories for defense and civilian markets.

The rifle incorporates the company’s RIS III handguard system, offering improved attachment capability through M-LOK compatibility while maintaining strength and reduced weight. Daniel Defense products are known for strict quality control and extensive use of aerospace-grade materials.

Speed and Range

The DD4 RIII S fires the 5.56mm NATO round with an estimated muzzle velocity of approximately 2,600 to 2,800 feet per second depending on ammunition type. Effective engagement range is typically around 300 to 500 meters, though the shorter barrel favors close to medium-range combat scenarios.

Its semi-automatic operating system provides rapid follow-up shots with controllable recoil. The rifle’s free-floating barrel and modern optics compatibility contribute to high accuracy in dynamic tactical conditions.

Cost/Price

The DD4 RIII S generally falls within the premium AR-platform rifle category. In the United States commercial market, pricing typically ranges between $2,000 and $2,500 depending on configuration, accessories, and regional dealer availability.