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AERO Precision - EPC-9 - Threaded Upper Receiver w/ LRBHO - Anodized Black

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The EPC-9 upper receiver is the perfect addition to any AR9 build. Including a last round bolt hold open mechanism and compatible with most standard AR15 barrel nut and handguard combinations this upper receiver will help take your pistol caliber build to the next level.


  • Last round bolt hold open mechanism
  • Accepts most AR15 compatible barrel nuts and handguards
  • Dimple above threads to allow for proper handguard timing
  • Standard AR15 takedown/pivot pin lug pattern
  • Machined from custom forged 7075-T6 aluminum
  • Laser engraved T-marks


  • Upper Receiver
  • Pre-installed last round bolt hold open assembly

NOTE: The EPC last round bolt hold open is ONLY compatible with appropriate GLOCK® pattern magazines.

More Information
Caliber 9×19 mm
Color Black
Country of Manufacture United States
Finish Anodized
Weight 7oz
Brand AERO Precision
Material 7075-T6 aluminum
Platform EPC-9
UPC 708026599187
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