The Daniel Defense DDM4 V1 5.56mm Rail 16" CO is a semi-automatic AR rifle built for shooters who want a proven platform with refined details. Chambered in 5.56 NATO / .223 Rem and equipped with a 16" barrel, this model pairs Daniel Defense’s DDM4 upper with a full-length rail and fixed front sight base, giving you a stable sight picture and ample space for accessories.

This configuration ships without a magazine, allowing you to choose your preferred capacity and style. The DD A1.5 rear sight and DD FSP front sight provide a robust, ready-to-run iron sight setup ideal for range work, training, and general-purpose defensive use. With Daniel Defense’s reputation for precision machining and durable construction, the DDM4 V1 offers dependable performance and long-term reliability.

• Manufacturer: Daniel Defense
• Model: DDM4 V1 5.56mm Rail 16" CO
• Caliber: 5.56 NATO / .223 Rem
• Action: Semi-Auto
• Barrel Length: 16"
• Number of Magazines: 0 (Ships Without Magazine)
• Sights: DD A1.5 Rear / DD FSP Front