FX-9 GEN2 Complete Upper

The GEN2 Complete Upper comes fully assembled.

Complete GEN 2 upper parts include:

  • GEN 2 Stripped upper receiver
  • Enhanced Charging Handle
  • GEN 2 bolt
  • GEN 2 Barrel (Choice of length)
  • Barrel nut
  • Handguard to match length of barrel

* (optional) Muzzle device with lock washer (Choice of bird cage flash hider, faux suppressor or Aero Precision Gamma 9mm Muzzle Brake)

*Please note that if this is the upgrade kit, the Gen 1 conversion feed ramp and roll pin would be added to this kit.

From: $359.99




  • Button Rifled 1:10 twist rate, machined from 4150 Chromoly steel 1/2×28 t.p.i. threaded muzzle. Q.P.Q. melonite nitride finish chambered in 9×19 NATO.
  • Our barrels are proprietary to the FX firearm system.
  • Made in the USA


Stripped Upper Receiver

  • Machined from T6 billet aluminum alloy
  • Type 3 milspec anodized finish
  • Made in USA

Gen 2 Feed Ramp and Roll Pin

  • Machined from 4140 chromoly steel alloy
  • QPQ Nitride finish (feed ramp only)
  • Requires .093″ (3/32 roll pin punch) for installation

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