Features:

Caliber: 5.56 NATO
Finish: Type III Class 2 Hardcoat Anodized
Upper Receiver: Daniel Defense A4 Upper Receiver Assembly - 7075-T6 Aluminum
Handguard: Daniel Defense RIS III 12.5-Inch M-LOK Handguard
M4 Feed Ramps: Yes
Muzzle Device: Daniel Defense Flash Suppressor
Barrel: Daniel Defense 16" 1:7 Chrome Lined 4150 Chrome Moly Vanadium CHF Barrel
Muzzle Thread Pattern: 1/2"-28 TPI
Gas Block: .750" Low-Profile Gas Block
Gas Tube: Mid-Length Gas Tube
Bolt Carrier Group: Daniel Defense 5.56 AR-15 Bolt Carrier Group
Charging Handle: Daniel Defense GRIP-N-RIP AR-15 Ambi Charging Handle
HP and MPI Tested

Specifications:

Weight: ~4.37 lbs.
Length: ~24.69"

Compatibility:

AR-15 lower receiver

Includes:

1x Daniel Defense DD4 RIII Upper Receiver Group w/ 16" CHF Barrel
1x Daniel Defense 5.56 AR-15 Bolt Carrier Group
1x Daniel Defense GRIP-N-RIP AR-15 Ambi Charging Handle

Details:

The Daniel Defense DD4 RIII Upper Receiver Group is a complete upper assembly perfect for a high-quality 5.56 AR-15 build.

Outstanding Performance

This Daniel Defense complete upper receiver has a 16-inch Cold Hammer Forged barrel made from 4150 Chrome Moly Vanadium steel. This CHF barrel outperforms stainless steel counterparts with improved heat dissipation, corrosion resistance, and exceptional durability. Additionally, the barrel is threaded with a standard 1/2"-28 thread pitch and comes equipped with a Daniel Defense Flash Suppressor.

This upper comes with the Daniel Defense Rail Interface System RIS III aluminum handguard. This free-floating aluminum handguard features M-LOK slots at seven different positions along its length and has an uninterrupted upper Mil-Spec 1913 Picatinny Rail. The Daniel Defense A4 Upper Receiver has a Mil-Spec profile with M4 feed ramps for improved reliability.

Reliability and Quality

Daniel Defense DD4 RIII Upper Receiver Group includes the HPT and MPI-tested Daniel Defense 5.56 AR-15 Bolt Carrier Group. It comes with the Daniel Defense GRIP-N-RIP AR-15 Ambidextrous Charging Handle as well. This upper assembly is ideal for anyone looking to build a top-tier AR-15.