Daniel Defense DD4 RIII Complete Upper Receiver 16" Barrel FDE

The Daniel Defense DD4 RIII Complete Upper Receiver 16" Barrel FDE is designed for operators who demand versatility and reliability in their firearms. This complete upper receiver is suitable for both professional duty and competitive shooting sports, offering a full 16-inch barrel that enhances ballistic performance while maintaining compatibility with modern tactical accessories.

At the heart of this upper receiver is a 16-inch Cold Hammer Forged Government Profile barrel, ensuring exceptional durability and accuracy. The mid-length gas system is tuned for a smoother recoil impulse, reducing wear on internal components compared to shorter systems. The RIII rail system features M-LOK attachment points for a slimmer profile, enhancing the overall functionality of the assembly.

This complete upper receiver is a drop-in solution for any standard AR-15 lower receiver, making it an ideal choice for users looking to enhance their existing platform or build a premium defensive rifle. The integrated full-length Picatinny top rail provides ample space for optics, while the M-LOK slots at seven positions allow for a variety of accessory attachments.