Daniel Defense DD4 RIII | 5.56 16″ | 10+1 | DDF 0219103270055

The Daniel Defense DD4 RIII is a lighter-weight, fully ambidextrous variant of the company’s DDM4 platform designed for reliable semi-automatic use. It features a 16″ chrome-moly-vanadium barrel, a mid-length gas system to reduce perceived recoil and wear, and a 12.5″ RIS III M-LOK rail for accessory mounting. This listing reflects the CA-compliant 10+1 configuration indicated in the provided data. For an optic that pairs well with the DD4 RIII consider the Vortex Strike Eagle 1-6×24, a purpose-built combat/field scope commonly available well under $1,000.

Product Specifications

• The manufacturer is Daniel Defense.
• The ATF model designation is DDM4.
• The manufacturer part number is DDF 0219103270055.
• The UPC is 818773022903.
• The caliber is listed as .223 REM/5.56 NATO.
• The barrel length is 16″.
• The barrel material/description is Chrome Moly Vanadium.
• The action is Semi-Auto.
• The capacity is 10 + 1 (California-compliant configuration indicated).
• The overall length is listed as 32.25″ – 35.88″.
• The unloaded weight is listed as 6.52 lbs.
• The rifle is configured for Ambidextrous handling and controls.
• The receiver material is CNC Machined 7075-T6 Aluminum.
• The gas system is a Mid-Length design for smoother operation.
• The handguard is a 12.5″ RIS III M-LOK rail for accessories.

The DD4 RIII is engineered for shooters who value intuitive controls and durable construction in a semi-auto AR platform. Its mid-length gas system and 12.5″ RIS III M-LOK interface make it adaptable for field or target use while the ambidextrous lower improves ergonomics for left- and right-handed operators. The rifle’s balance and component selection support accurate follow-up shots and reliable function under routine use.

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