Daniel Defense DD4 M4A1 RIII | 5.56 NATO | 14.5″ | 02-191-04238-047

The Daniel Defense DD4 M4A1 RIII is a semi-automatic modern sporting rifle built around a 14.5″ cold hammer-forged M4 profile barrel with a permanently attached, pinned-and-welded Daniel Defense flash suppressor. It features a 12.5″ RIS III rail in Flat Dark Earth with M-LOK attachment points and a fully ambidextrous lower for right- and left-handed shooters. The rifle is constructed with CNC-machined 7075-T6 aluminum receivers and Daniel Defense soft-touch polymer furniture.

For an optic under $1,000 that pairs well with this platform, consider a Vortex Strike Eagle 1-6×24 or a similar low-power variable optic with a 30 mm or 34 mm tube and a quick-detach mount; those configurations support close-to-medium-range accuracy without exceeding the budget. Typical applications include precision range work and competition/tactical training.

Product Specifications

• The UPC is 818773022927.
• The manufacturer is Daniel Defense.
• The model is DD4 M4A1 RIII.
• The caliber is 5.56mm NATO.
• The action is Semi-Automatic.
• The barrel length is 14.5 inches.
• The barrel type is Cold Hammer Forged.
• The rate of twist is 1:7″.
• The gas system is Mid-length direct impingement.
• The handguard is a 12.5″ RIS III M-LOK (Flat Dark Earth).
• The receiver material is 7075-T6 Aluminum.
• The finish is Bi-tone (FDE upper/black furniture).
• The lower controls are Fully ambidextrous.
• The muzzle device is a pinned & welded Daniel Defense flash suppressor.

This DD4 M4A1 RIII combines durable materials, an updated RIS III handguard for reduced weight, and fully ambidextrous controls to serve shooters who prioritize reliability and ergonomic operation. The platform is well suited to organized range work and competition scenarios where consistent cycling, accessory flexibility, and left/right-hand usability matter.

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