Daniel Defense DD4 M4A1 RIII 5.56 14.5in FDE/Black

The Daniel Defense DD4 M4A1 RIII is a modern sporting rifle built around a 14.5″ cold hammer-forged M4-profile barrel and a mid-length gas system. This RIII variant adds a 12.5″ RIS III handguard with M-LOK attachment points and a fully ambidextrous lower for right- and left-handed operation. The rifle features CNC-machined 7075-T6 aluminum receivers with Type III hard-coat anodizing and a pinned-and-welded Daniel Defense flash suppressor. Designed for robust field use and range work, the platform emphasizes durable materials and operator-focused controls.

Key Specifications

• Caliber is 5.56mm NATO (.223 Rem).
• The barrel measures 14.5 inches and is a cold hammer-forged M4 profile.
• The gas system is a mid-length direct-impingement configuration.
• The barrel twist rate is 1:7.
• The handguard is a 12.5″ RIS III with M-LOK attachment.
• The receivers are CNC-machined 7075-T6 aluminum with Type III hard-coat anodizing.
• The muzzle thread is 1/2 x 28 TPI and the flash suppressor is pinned and welded.
• The rifle weight is listed as 6.39 lbs.
• The overall length ranges from 31.5 to 34.75 inches depending on stock position.
• The lower features fully ambidextrous controls including bolt catch, safety, and magazine release.

Built with service-grade materials and operator-oriented controls, the DD4 M4A1 RIII balances durability and ergonomics for demanding range work and training. Its combination of a cold hammer-forged barrel, ambidextrous lower, and modular M-LOK handguard provides a solid foundation for shooters who prioritize reliable construction and practical adaptability.

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