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ATTENTION! We currently do not ship this product to P.O. Boxes, AK, CA, CT, DE, HI, MA, NJ, NY, U.S. Territories, or select Colorado locations. Please see our policies for more information or a detailed list of locations.
Product Info for Daniel Defense DD4 RIII URG 16 inch 5.56x45mm NATO Upper Receiver with Flash Hider Assembly
The DD4RIIIUpper Receiver Group is built around a 16 inch Cold Hammer Forged Government Profile barrel, a GRIP-N-RIP Charging Handle, and our mid-length gas system, known to have a smoother recoil impulse, which adds to this upper's accuracy by allowing for quick but precise rapid fire. It features a 12.5 inch lightweight RIS III railmodeled after the revolutionary RIS II two-piece handguard developed for SOCOMfeatures M-LOK attachment for lighter weight while still offering M203 grenade-launcher attachment. All Daniel Defense complete upper receiver groups come standard with an M16 profile bolt carrier group![]()
Specifications for Daniel Defense DD4 RIII URG 16 inch 5.56x45mm NATO Upper Receiver with Flash Hider Assembly:
| Manufacturer: | Daniel Defense |
| Caliber: | 5.56x45mm NATO |
| Overall Length: | 25 in |
| Barrel Length: | 16 in |
| Barrel Profile: | Government |
| Gas System Length: | Mid Length |
| Barrel Twist Rate: | 1-7 |
| Muzzle Device: | Flash Suppressor |
| Finish: | Salt Bath Nitride |
| Gun Model: | AR-15 |
| Fabric/Material: | Multiple |
| Handguard Length: | 12.5 in |
| Gun Rail: | M-LOK |
| Gun Type: | Rifle |
| Gun Make: | Daniel Defense |
| Barrel Material: | Chrome Moly |
| Bolt Carrier Group Included: | MIL-SPEC |
| Charging Handle Included: | MIL-SPEC |
| Magazine Included: | No |
| Mount Type: | M-LOK |
| Gas System: | Mid Length |
Features of Daniel Defense DD4 RIII URG 16 inch 5.56x45mm NATO Upper Receiver with Flash Hider Assembly:
- UPPER RECEIVER: Mil-Spec with Indexing Marks and M4 Feed Ramps. CNC Machined of 7075-T6 Aluminum, Type III Hard Coat Anodized
- BARREL: Chrome Moly Vanadium Steel, Cold Hammer Forged, 1:7 Twist, 16 inch Government Profile, Mid-length Gas System, Chrome Lined, Mil-Spec Heavy Phosphate Coated, and HP/MPI Tested
- GAS SYSTEM: Pinned Low Profile Gas Block CNC Machined of 4140 hardened steel and Mil-Spec Heavy Phosphate Coating, Mid-length, Direct Impingement
- MUZZLE DEVICE: Daniel Defense Flash Suppressor, 17-4 PH Stainless Steel, Salt Bath Nitride Finished
- SIGHTS: Sold Separately
- HANDGUARD: RIS III 12.5 inch, CNC Machined of 6061-T6 Aluminum, M-LOK Attachment
- CHARGING HANDLE: GRIP-N-RIP Charging Handle, Body CNC Machined of 7075-T6 Aluminum, Handles & Latch CNC Machined of 6061-T6 Aluminum, Heavy Duty Stainless Steel Roll Pins, Type III Hard Coat Anodized
Package Contents:
- Daniel Defense DD4 RIII URG 16 inch 5.56x45mm NATO Upper Receiver with Flash Hider Assembly
Daniel Defense DD4 RIII URG 16 inch 5.56x45mm NATO Upper Receiver with Flash Hider Assembly Orderable Models
List of Orderable Models
- DEMO, Daniel Defense Upper Receiver with Flash Hider Assembly DD4 RIII URG, 5.56x45mm NATO, 25 inch, 16 inch Barrel, Government Profile, Mid-length, 1-7 Twist, 1/2x28 Thread, M-LOK Handguard, Flash Suppressor, Salt Bath Nitride, FDE, 23-191-20088-011 , MPN: 23-191-20088-011-DEMO , Code: DDD-UFH-D4R3U16-23-191-20088-011-DEMO
- Daniel Defense Upper Receiver with Flash Hider Assembly DD4 RIII URG, 5.56x45mm NATO, 25 inch, 16 inch Barrel, Government Profile, Mid Length, 1-7 Twist, 1/2x28 Thread, M-LOK Handguard, Flash Suppressor, Salt Bath Nitride, BLK, 23-191-20088-006 , MPN: 23-191-20088-006 , UPC: 818773023399 , Code: DDD-UFH-D4R3U16-23-191-20088-006
- Daniel Defense Upper Receiver with Flash Hider Assembly DD4 RIII URG, 5.56x45mm NATO, 25 inch, 16 inch Barrel, Government Profile, Mid-length, 1-7 Twist, 1/2x28 Thread, M-LOK Handguard, Flash Suppressor, Salt Bath Nitride, FDE, 23-191-20088-011 , MPN: 23-191-20088-011 , UPC: 818773022996 , Code: DDD-UFH-D4R3U16-23-191-20088-011
Daniel Defense DD4 RIII URG 16 inch 5.56x45mm NATO Upper Receiver with Flash Hider Assembly Unavailable & Discontinued Models
List of Unorderable Models
- USED, Daniel Defense Upper Receiver with Flash Hider Assembly DD4 RIII URG, 5.56x45mm NATO, 25 inch, 16 inch Barrel, Government Profile, Mid Length, 1-7 Twist, 1/2x28 Thread, M-LOK Handguard, Flash Suppressor, Salt Bath Nitride, BLK, 23-191-20088-006 , MPN: 23-191-20088-006-EDEMO , Code: DDD-UFH-D4R3U16-23-191-20088-006-EDEMO-US-C
