Home / Accessories / Daniel Defense / Daniel Defense DD4 RIII S AR-15 Pistol Complete Upper Receiver 5.56x45mm NATO 11.5" Barrel Flat Dark Earth
Daniel Defense DD4 RIII S AR-15 Pistol Complete Upper Receiver 5.56x45mm NATO 11.5" Barrel Flat Dark Earth

Daniel Defense DD4 RIII S AR-15 Pistol Complete Upper Receiver 5.56x45mm NATO 11.5" Barrel Flat Dark Earth

Lowest Price
MSRP
$1,563
Savings
23% off
In Stock at
9 Stores
BARREL: Chrome Moly Vanadium Steel,1:7 Twist, 11.5 Government Profile, Chrome Lined, Mil-Spec Phosphate Coated"
BOLT CARRIER GROUP: M16 Profile, Mil-Spec MP Tested, Chrome Lined, Properly Staked Gas Key
GAS SYSTEM: Pinned Low Profile Gas Block CNC Machined of 4140 hardened steel with Mil-Spec Phosphate Coating, Carbine Length
MUZZLE DEVICE: Daniel Defense Flash Suppressor, 17-4 PH Stainless Steel, Salt Bath Nitride Finished
UPPER RECEIVER: Mil-Spec with Indexing Marks and M4 Feed Ramps. CNC Machined of 7075-T6 Aluminum

Specifications

Caliber
5.56 NATO
Brand
Daniel Defense
Model
DD4 RIIIS
MPN
23-191-02397-011
UPC
818773023672

Description

The Daniel Defense AR-15 DD4 RIII Upper Receiver Assembly is built around a Cold Hammer Forged Government Profile barrel, a GRIP-N-RIP Charging Handle, and carbine 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 lightweight RIS III rail-modeled after the revolutionary RIS II two-piece handguard developed for SOCOM-features 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. FeaturesCold Hammer Forged barrelPinned Low Profile Gas BlockGRIP-N-RIP Charging Handle
Stay Connected

Join our newsletter for the latest updates and exclusive deals.

ARMSAGORA

Compare prices on firearms, ammunition, and accessories from hundreds of trusted retailers. Find the best deals, track prices, and build your own loadouts.

© 2026 ARMSAGORA. All rights reserved.
Not an FFL licensed dealer. ARMSAGORA is a product comparison tool.