Daniel Defense DD URG DD4 RIIIS 11.5 5.56 Upper FDE

The Daniel Defense DD URG DD4 RIIIS 11.5" 5.56 BLK/FDE is a complete upper receiver designed to deliver reliable performance in a compact, versatile platform. Built around a 11.5" 1:7 twist barrel chambered in 5.56 NATO, this upper integrates the rugged Daniel Defense RIS III 10.5" handguard for enhanced grip and accessory mounting, while pairing with a proven M16-profile bolt carrier group to ensure smooth operation under pressure. Finished in durable anodized Black and Flat Dark Earth, it combines rugged protection with professional aesthetics, ideal for mid-sized builds, varmint hunting, or tactical practice where maneuverability matters. The complete upper receiver concept simplifies assembly, providing a ready-to-run option that maintains compatibility with standard AR-pattern lowers. With its precise threading, robust construction, and compliant engineering, you'll benefit from consistent cycling, accurate chambering, and repeatable zero across field and range environments. This DD4 RIIIS upper supports flexible optics mounting and accessory integration, making it a reliable core for those seeking a balanced, high-performance upper that aligns with Daniel Defense's reputation for quality and reliability.