Daniel Defense DD4 M4A1 RIII 5.56mm 14.5in RIS III M-LOK

About this product

The Daniel Defense DD4 M4A1 RIII is a semi-automatic AR-style rifle built around a 14.5 inch cold hammer-forged M4-profile barrel and a 12.5 inch RIS III rail featuring M-LOK attachment points. The design emphasizes ambidextrous controls, a GRIP-N-RIP ambidextrous charging handle, and a mid-length gas system intended to deliver smooth, reliable cycling. Construction uses CNC-machined 7075-T6 aluminum receivers with hard-coat anodize finishes and Daniel Defense furniture for a durable, service-ready package.

Key Specifications

• The rifle is chambered in .223 REM/5.56 NATO.
• The barrel measures 14.50 inches and uses an M4 profile cold hammer-forged design.
• The barrel twist rate is 1:7.
• The gas system is a mid-length direct impingement system with a pinned low-profile gas block.
• The handguard is a 12.5 inch RIS III with M-LOK attachment system.
• The upper and lower receivers are CNC machined of 7075-T6 aluminum with Type III hard coat anodize.
• The muzzle device is a pinned and welded Daniel Defense flash suppressor.
• The rifle includes fully ambidextrous controls and an ambidextrous GRIP-N-RIP charging handle.
• The listed unloaded weight is 6.52 lbs.
• The stock is a 6-position Daniel Defense with soft-touch overmolding.

Purpose-built components, ambidextrous ergonomics, and a mid-length gas system make the DD4 M4A1 RIII a practical choice for range use, training, and defensive configurations where a robust, serviceable AR platform is desired. The combination of a cold hammer-forged barrel, proven bolt carrier group design, and modular M-LOK handguard lets owners configure the rifle to their needs while relying on durable factory construction.

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