Daniel Defense DD4 RIII 5.56 NATO 16″ Rifle

About this product

The Daniel Defense DD4 RIII is a mid-length gas AR-style carbine built for reliable performance in sporting, competition, and responsible defensive roles. Chambered for .223 Rem/5.56 NATO, it pairs a 16″ cold hammer-forged chrome-moly barrel with a 12.5″ RIS III M-LOK free-float handguard for a compact, controllable platform. Controls are fully ambidextrous and the rifle uses a threaded muzzle with a flash suppressor and 1/2×28 thread pattern.

Key Specifications

• The rifle is chambered in .223 Rem/5.56 NATO.
• The barrel measures 16 inches and is cold hammer-forged with a chrome moly vanadium finish.
• The handguard is a 12.5-inch RIS III M-LOK free-float rail system.
• The action is Semi-Auto.
• The gas system is mid-length for smoother cycling.
• The receiver is CNC machined 7075-T6 aluminum.
• The barrel twist rate is 1:7.
• The rifle weight is approximately 6.5 lbs.
• The muzzle is fitted with a flash suppressor and uses a 1/2×28 thread pitch.
• The lower features a fully ambidextrous safety and controls.

Built to Daniel Defense standards, the DD4 RIII blends durable construction and modern ergonomics for a versatile carbine platform. Its combination of a robust cold hammer-forged barrel, lightweight 12.5″ RIS III M-LOK handguard, and ambidextrous controls makes it well-suited for precision follow-up shots, competitive use, and responsible defensive applications where permitted by law.

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