Daniel Defense DD4 RIIIS URG | 5.56 NATO | 11.5 in

The Daniel Defense DD4 RIIIS URG is a complete AR-15 upper receiver group built around an 11.5 inch cold hammer forged government-profile barrel chambered for .223 REM/5.56 NATO. It ships with a 10.5 inch RIS III M-LOK handguard in Flat Dark Earth, a GRIP-N-RIP charging handle, and an M16-profile bolt carrier group. The barrel is threaded and fitted with a Daniel Defense flash suppressor compatible with 1/2×28 accessories.

Product Specifications

• Manufacturer is Daniel Defense.
• Model is DD4 RIIIS.
• Caliber is .223 REM/5.56 NATO.
• Barrel length is 11.5 inches.
• Barrel profile is a government profile, cold hammer forged.
• Barrel twist rate is 1-in-7.
• Handguard is a 10.5 inch FDE RIS III M-LOK rail.
• Includes M16 profile bolt carrier group.
• Charging handle type is GRIP-N-RIP.
• Thread pattern on the muzzle is 1/2×28.
• Sights: No Sights.
• Weight is listed as 4.70 (unit as provided by manufacturer).
• Special feature: Threaded Barrel.
• Country of origin is US.
• UPC: 818773023672.

This DD4 RIIIS upper combines Daniel Defense build quality with a compact barrel and a lightweight RIS III M-LOK handguard to serve shooters building short-barrel rifle configurations or seeking a compact, accurate upper for range training and competition. The cold hammer forged barrel and M16-profile BCG deliver durability and familiar function for users upgrading or assembling AR-15 style rifles.