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FailZero Complete Upper Assembly

Complete .223 Wylde Barreled Upper Assembly with FZ Lightweight BCG
Out of Stock

The FailZero Complete Barreled Upper in .223 Wylde is built on the popular AR15/M16 design with enhancements from top of the line industry partners. This system features a custom FailZero lightweight handguard that’s free-floated, Fluted Stainless Steel Ballistic Advantage Barrel that provides the shooter a lightweight design resulting in superior performance and accuracy. This Upper Receiver features our FailZero Lightweight BCG, Radian Raptor-Lite with FZ logo, and VG6 Muzzle Brake just to name a few of the features. This Upper Assembly is upgraded from top to bottom and is ready for you to finish out or start your next build.


  • Caliber: .223 Wylde (5.56 compatible)
  • Operation: Direct Impingement
  • Barrel Length: 16"
  • FailZero Lightweight Bolt/Carrier Group (9.2 Oz)
  • 14” FZ Lightweight Rail System with M-LOK technology
  • Ballistic Advantage fluted .223 Wylde 16” premium barrel
  • EXO Nickel Boron M4 Barrel Extension
  • VG6 Precision Gamma 556 High Performance Muzzle Brake
  • Radian Raptor Ambi charging handle


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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