MPN: APAR610505M50 / APAR610605M50


  • Caliber: .223 Rem / 5.56 NATO
  • Chamber: .223 Wylde
  • Finish: Type III Class 2 Hardcoat Anodized Finish
  • Upper Receiver: Aero Precision No Forward Assist Upper - 7075-T6 Aluminum
  • Handguard: ATLAS S-ONE or R-ONE M-LOK Handguard of choice
  • M4 Feed Ramps: Yes
  • Muzzle Device: A2 Flash Hider
  • Barrel: 16" 1:8 Twist 416R Stainless Steel Fluted Barrel
  • Muzzle Thread Pattern: 1/2"-28 TPI
  • Gas Block: Aero .750" Low-Profile Gas Block
  • Gas Tube: Mid-Length Gas tube
  • Bolt Carrier Group: Not Included
  • Charging Handle: Not Included
  • HP and MPI Tested

*This upper assembly does not come with Bolt Carrier Group and Charging Handle

*ATLAS S-ONE Handguard: Front and rear Picatinny rail section. Eliminated center of top rail for weight reduction.

*ATLAS R-ONE Handguard: Full top Picatinny rail


  • Weight:
    • M4E1 Upper with 15" Atlas S-ONE Handguard: 3.19 lbs.
    • M4E1 Upper with 15" Atlas R-ONE Handguard: 3.27 lb.
  • Overall Length: 24.4"


  • AR-15 lower receivers


  • 1x Aero Precision 16" Fluted .223 Wylde No Forward Assist Upper Assembly


The Aero Precision AR-15 stainless steel barrel upper is ideal for the serious shooter who values tactical capabilities and reliable durability.

Engineered To Hit The Ground Running

With this highly tactical upper, you can make your self-defense action plan more efficient.

Aero Precision knows that accessories are essential for customizing your shooting experience. As such, they offer this upper with the shooter's choice of two highly tactical mounting rails: either the R-ONE M-LOK (full top Picatinny) or the ATLAS S-ONE (front and rear Picatinny sections).

The Aero Precision AR-15 stainless steel barrel upper arrives assembled so that you can get to the shooting range to try it out sooner.

Keep in mind that your purchase of this AP upper does not encompass a charging handle or BCG, allowing you to select your parts of choice.

Made With Durability In Mind

Aero Precision delivers a durable upper that can stand up to weather and wear; the upper is manufactured from 7075-T6 Aluminum. The barrel is manufactured from 416R stainless steel with a bead blasted finish entire upper is finished with a Class 2 Type III Anodized Hardcoat.

By removing the forward assist, using lightweight but durable materials, and offering highly tactical handguards, this upper is made to be sleek and lightweight, supporting improved handling.

Have a question?

Ask an Expert

Frequently Bought Together

  • This Item: Aero Precision 16" Fluted .223 Wylde No Forward Assist Upper Assembly
    Choose Options
    MSRP: $564.99
    (You save $131.50 )

Total Price:

Add to Cart