Daniel Defense DD4 M4A1RIII 5.56mm 14.5in Pinned & Welded

About this product

The Daniel Defense DD4 M4A1RIII is a semi-automatic AR-pattern rifle chambered in 5.56mm NATO with a 14.5-inch barrel that is pinned and welded. It features a mid-length gas system, M4-profile cold hammer-forged barrel with a 1-in-7 rate of twist, and an M-LOK-compatible RIS III handguard. The rifle ships without a magazine and includes a full-latch impact plastic case; sights are sold separately.

Key Specifications

• The caliber is 5.56mm NATO.
• The barrel length is 14.5 inches (pinned and welded).
• The twist rate is 1-in-7.
• The gas system is mid-length direct impingement.
• The barrel profile is M4 and is chrome lined.
• The rifle weight is 6.39 lbs..
• The overall length is 31.5–34.75 inches (with muzzle device).
• The handguard is a 12.5-inch RIS III M-LOK (Flat Dark Earth).
• The receivers are CNC machined 7075-T6 aluminum, Type III hard coat anodized.
• This rifle ships with no magazine included and a full-latch impact plastic case.

The DD4 M4A1RIII is built to common duty and range standards with practical features—ambidextrous lower controls, a pinned-and-welded flash suppressor, an M16-profile chrome-lined bolt carrier group, and a durable soft-touch furniture set. Its component set and construction make it well suited for consistent range use, training, and professional applications where a reliable, serviceable AR-platform rifle is required.

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