The Daniel Defense DD4 RIII upper receiver group (URG) is a complete AR-15 upper chambered in 5.56mm with a 14.5-inch barrel and a black finish. The RIII refers to the rail handguard that offers mounting space for lights, lasers, and accessories. Daniel Defense is respected for quality components trusted by military and law enforcement. This URG is built on the M4A1 profile and arrives assembled, ready to pair with a compatible lower receiver to build or upgrade an AR-15-style rifle.

In stock and ready to ship straight to your door from Dawson Defense, an Arizona-owned licensed dealer.