Daniel Defense DD4 RIII Complete Upper Receiver 16″ Barrel FDE
$1,544.00
The DD4 RIII upper receiver offers a 16″ barrel and mid-length gas system for smoother recoil, ideal for shooting sports and tactical applications.
2 in stock
The DD4 RIII Upper Receiver Group offers the longest barrel length of the RIII family and is perfect for popular shooting sports and for tactical defensive applications. Built around a 16 inch Cold Hammer Forged Government Profile barrel its mid-length gas system is known to have a smoother recoil impulse.
A 12.5 inch lightweight RIS III rail—modeled after the revolutionary RIS II two-piece handguard developed for SOCOM—free-floats the barrel and features M-LOK attachment for lighter weight. It has our ambidextrous Grip-N-Rip Charging Handle and ships with an M16 Profile bolt carrier group.
Features:
- 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" 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
- BOLT CARRIER GROUP: M16 Profile Mil-Spec MP Tested Chrome Lined Properly Staked Gas Key
- HANDGUARD: RIS III 12.5 Patented 6-Bolt Bolt-Up System CNC Machined of 6061-T6 Aluminum Black or FDE Type III Hard Coat Anodized
- 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
Specifications:
- Barrel Material: 4150 Chrome Moly Vanadium
- Barrel Type: Cold Hammer Forged
- Barrel Profile: Government
- Rifling Twist: 1:7"
- Gas System Length: Mid-length
- Muzzle Device: Flash Suppressor
- Weight: 4.35 LBS
- Rail System: RIS III 12.5 (M-LOK)
| Weight | 5.605 lbs |
|---|---|
| Dimensions | 28.150 × 5.550 × 4.150 in |
| Manufacturer | Daniel Defense |
| Barrel Length | 16″ Government |
| Finish | Matte Black |
| Caliber | 223 Rem, 5.56 NATO |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.
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