The Daniel Defense DD4 M4A1 RIII is a semi-automatic AR-style rifle built around a 14.5″ cold hammer forged M4-profile barrel with a pinned Daniel Defense flash suppressor. It features a 12.5″ RIS III handguard with M-LOK attachment points and a mid-length gas system for smoother cycling and reduced perceived recoil. The lower receiver is fully ambidextrous, providing controls and ergonomics for right- and left-handed shooters.
Key Specifications
- The caliber is 5.56mm NATO (.223 Rem) as stated in the supplied data.
- The barrel length is listed as 14.5 inches with a permanently attached pinned and welded muzzle device.
- The barrel type is cold hammer forged with an M4 profile and chrome lining.
- The rate of twist is 1:7″ as provided in the records.
- The gas system is described as a mid-length direct impingement system.
- The handguard is a 12.5″ RIS III M-LOK in Flat Dark Earth (FDE) per the product data.
- The lower receiver is fully ambidextrous with ambidextrous bolt catch, safety, and magazine release features.
- The muzzle device is a pinned and welded Daniel Defense flash suppressor per the supplied description.
- The listed product weight is 6.39 lbs and overall length is listed as 31.5″ to 34.75″.
- The receivers are CNC machined from 7075-T6 aluminum with Type III hard coat anodize according to the provided details.
The DD4 M4A1 RIII combines a battle-tested M4A1 foundation with modern lightweight rail architecture and ambidextrous controls, making it well suited for experienced shooters seeking a reliable, purpose-built modern sporting rifle. Its mix of a cold hammer forged barrel, mid-length gas system, and a 12.5″ RIS III M-LOK handguard offers a practical balance of durability, accessory compatibility, and controllability.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
Related Videos:
