DD4 RIII URG 5.56MM 16" FDE 23-191-20088-011 Manufacturer Model Number: 23-191-20088-011 Manufacturer: Daniel Defense Model: DD4 RIII URG Caliber: 223 Rem | 5.56 NATO Type: Accessory-Uppers Item Type: Accessory Finish: Matte Black Sights: No Sights Shipping Weight: 5.65 Feature: FDE RIS III 12.5" M-LOK Rail Feature: Mid-Length Gas System Feature: GRIP-N-RIP Charging Handle Optic Adjustable Objective: false Optic Reticle Illuminated: false