Daniel Defense DD4 M4A1RIII 223/556 14.5″ Pinned B5

The Daniel Defense DD4 M4A1RIII is a modern sporting rifle configured for common .223 REM/5.56 NATO chambering. It features a 14.5″ pinned barrel that yields a 16″ overall length, a B5 stock and a polymer grip for practical handling on the range or in professional applications. The rifle ships with a 32-round Daniel Defense magazine to provide immediate use from the range bag.

Key Specifications

• Chambering is .223 REM/5.56 NATO.
• Capacity is 32 rounds.
• Action is Semi-Auto.
• Barrel length is 14.5″ Pinned (16″ OAL).
• Barrel twist is 1:7.
• Color is Black.
• Grip material is Polymer.
• Stock type is B5.
• Includes 1-32 Round Daniel Defense Magazine.
• Product type is AR.

Designed with practical performance and everyday use in mind, the DD4 M4A1RIII combines proven ergonomics with a pinned barrel configuration for a 16″ overall length. Its specification set makes it well-suited to range work, competition formats that allow this configuration, and professional applications where consistent function and familiar controls are priorities.