2A Armament Aethon Billet Upper Receiver

2A Armament Aethon Billet Upper Receiver

Product Code:
Calculated at Checkout
$254.00 $241.00



  • Pocketed design reduces weight and enhances appearance
  • Incorporates a forward assist slot to satisfy personal preference
  • M4 Feed Ramps
  • Lightening cut top rail


  • Material: 7075-T6 Aluminum
  • Finish: Bead blasted then Type III Class 2 Hardcoat Anodized
  • Weight: 6.9 oz.

*The 2A Armament Aethon Upper does not come with a dust cover and forward assist button.


  • AR-15


When you want the best, you’re not just talking about quality manufacturing, you’re also talking about the availability of features that YOU WANT to be included in those high-quality components. 2A Armament has heard the call of their customers and now proudly presents the Aethon Billet Upper Receiver.

Just like 2A’s Balios Upper, the Aethon Billet Upper Receiver is designed and machined to be lightweight and compatible with a variety of lower receivers. The Aetheon Billet Upper marries flawlessly to 2A’s Aethon, Balios Lite Gen 2, and many third party lower receivers. It weighs in at 6.9 ounces naked and features the Forward Assist that some of you have found lacking on other uppers. A Picatinny rail section tops the upper, waiting to accept your sight or optics mounts. 2A wants you to have the options you want to build your perfect weapon. They take care of the innovation and quality, all you have to do is choose the features you want and you know you can rely on 2A to handle the rest.

The team at 2A Armament works from its home base in Idaho, pouring their expertise and love of the craft into everything they manufacture. The Aethon Upper Receiver is machined from the finest quality American Made 7075-T6 plate aluminum billet available. Once the Aetheon is machined, it is bead blasted and given a Mil-Spec Type II Class 2 Hard Anodized coating to prevent corrosion and repel the effects of rough handling. Let there be no doubt, this one is ready to work wherever the battle takes you.

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