80% AR9/AR40 Glock Mag 7075 LRBHO Anodized Black Finger Groove


  • AR9 GEN 2 Mil-Spec Forged 7075-T6
  • Last Round Bolt Hold Open
  • Safe / Fire laser etched into the AAO Lower
  • 80% Machined (Just needs Trigger and safety well machined)
  • 7075 Aluminum
  • Type 3 Hard Anodized
  • ALL AAO Lowers have a built in lower to upper adjustment feature that can be used to take up the slack/space between the upper/lower fitment (via an included allen head screw).
  • You can quickly test your upper to lower fitment with the AAO Lower before you mill, this is due to a small pocket milled into the rear takedown pin area.
  • High quality and best in class precision machining for a good price.  We are real gun guys and we fire what we make, so it has to be good.

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SKU: A9-GLFG-80-A Category:

AAO Manufacturing produces some of the highest quality 80% lower receivers available. The main difference is they are using their own forgings. This allows the utmost quality control of the products from start to finish. The machine work and finish on all the lowers is top quality at a reasonable price. Compare these to some of the other brands and you will not be disappointed!