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FailZero Built Upper Assembly

FZ Upper Assembly with FZ logo and US flag dust cover
Out of Stock

The FailZero Assembled Upper Receiver is the same that come on our FailZero Elite 16” Rifle and is built on the popular AR15/M16 design with enhancements from top of the line industry partners. Machined from 7075-T6 Forged Aluminum and Anodized Black, this Upper Receiver features a FZ and US Flag Laser Engraved onto the dust cover (only seen when opened). This Upper is ready to finish out or start you next build.


  • Assembled Upper Receiver
  • FZ Logo and US Flag Dust Cover
  • Black Anodized Finish
  • Machined from 7075-T6 Forged Aluminum
  • Picatinny style Flat Top Upper
  • Works with Standard AR15 Lowers and Components


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RT @PrimaryArms: 6 lbs. overall weight. 3.5 lb. match trigger. .223 Wylde barrel. Ambi Charging handle and enhanced furniture. DM to find o…

by FailZero