AR-15 Upper Lower Receivers
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AR-15 A3 Flattop Stripped Upper Receiver - RAW


  • Forged from 7075 T6 heat treated aluminum
  • Raw "white" (not anodized)
  • Picatinny-style rail
  • M4 Feed Ramps

Does Not include Charging Handle, Forward Assist or Dust Cover.


The United Armory 80% AR-15 Lower Receiver is precision machined to Mil-Spec standards in house from 7075-T6 forgings. Compatible with most Mil-Spec M16/M4/AR15 uppers. All that is left to do is machine the fire control pocket, for the trigger group and drill a few holes. Once complete you will have a fully functional AR-15 type lower.


~ Forged from 7075 T6 heat treated aircraft-grade aluminum.

~ Broached magazine well.

~ This is not a completed receiver and still requires machining in order to have an operational firearm.

~ NO FFL is required for purchase, item can be shipped directly to your home.

~ As determined by the firearms technology branch of the ATF, this lower receiver is not classified as a “firearm” as defined by the GCA of 1968.

~ Customer is responsible for compliance with local state and federal regulations regarding any products sold on our website.

~ Our lowers have been found to be compatible with most jigs made for finishing Mil-Spec style lowers.

  • Item #: UR80LR-AR15R

AR-15 Flattop Stripped Upper Receiver & 80% Lower Receiver - RAW

Price: $109.95
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