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RSR Part #: 2A-MCRS-3 Manufacturer Part #: 2A-MCRS-3

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2A Armament, 2A Armament, AETHON, Lower/Upper Receiver Set, Semi-automatic, 556NATO, Black Finish, CNC Machined From 7075-T6 Billet, Lower Receiver Weighs 6.8oz, Upper Receiver Weighs 6.8oz


WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

  • CNC Machined from U.S.A. Certified 7075-T6 Plate Aluminum
  • Integrated and Lightened Trigger Guard
  • Integrated QD Mounts on Side

Product Description

2A-Armament is proud to introduce the Aethon billet upper and lower receiver set. The Aethon set incorporates a refreshed design on the mag well, a ergonomically designed ridged tactile grip, and integrated QD's into the receiver.


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