MPN: APAR620269M85 / APAR620270M85


  • Last round bolt hold open mechanism
  • Caliber: 9mm
  • Finish: Type III Class 2 Hardcoat Anodized or Cerakoted Flat Dark Earth
  • Upper Receiver: Aero Precision EPC-9 Enhanced Upper w/ LRBHO - 7075-T6 Aluminum
  • Handguard: 7.3-Inch Enhanced M-LOK Handguard
  • Muzzle Device: A2 Flash Hider
  • Barrel: 8.3-Inch 1:10 twist, QPQ Coated 4150 Chrome Moly Vanadium Barrel
  • Muzzle Thread Pattern: 1/2"-28 TPI
  • Bolt Carrier Group: Not Included
  • Charging Handle: Not Included

*This upper assembly does not come with Bolt Carrier Group and Charging Handle.

*This upper receiver assembly has a barrel that is shorter than 16". This upper is only for use on AR pistol lower receivers and NFA registered Short-Barreled Rifle (SBR) lower receivers. All NFA laws apply!

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


  • Weight: 2 lb. 1 oz.
  • Barrel Length: 8.3-Inch
  • Handguard Length: 7.3-Inch
  • Overall Length: 16.5-Inch


  • 9mm AR lower receiver


  • 1x Aero Precision 8.3" EPC-9 Enhanced 9mm Complete Upper Receiver


Elevate your 9mm AR build with the Aero Precision EPC-9 Enhanced 9mm Complete Upper Receiver, a prime choice for shooters seeking both performance and aesthetics. This upper receiver flawlessly integrates with Aero Precision's Enhanced Gen 2 Handguard, delivering a top-tier shooting experience through its sophisticated engineering and precise craftsmanship.

Engineered for Excellence

Crafted from durable 7075-T6 aluminum, the EPC-9 Enhanced Upper Receiver is designed to withstand rigorous use, ensuring longevity and reliability. The last round bolt hold open feature ensures your readiness for continuous shooting action, providing both convenience and efficiency.

Enhanced Gen 2 Handguard: Precision and Aesthetics Combined

The Enhanced Gen 2 Handguard features a sleek one-piece free-floating design that minimizes weight while maintaining structural integrity. It includes integrated anti-rotation tabs and scalloped rails, ensuring a firm and reliable base for mounting accessories. The seamless top rail aligns perfectly with your upper receiver, providing an uninterrupted mounting surface, while the M-LOK slots offer extensive customization possibilities. This design enhances your firearm's adaptability and performance, letting you customize it for any shooting situation you might encounter.

Optimized Barrel for Unmatched Performance

The 8.3" 9MM barrel is engineered for accuracy, with a 1 in 10 twist rate ideal for stabilizing a wide range of bullet weights. Its QPQ corrosion-resistant finish ensures durability, while the 1/2"x28 threading accommodates your choice of muzzle device or suppressor.

Your Go-To Choice for Tactical Superiority

Whether you're gearing up for a competitive match or honing your skills at the range, the Aero Precision EPC-9 Enhanced Upper Receiver stands out as a top-tier component. Its meticulous design and robust construction give you the control and confidence you need, making every shot spot on. Embrace the precision and reliability of Aero Precision and experience the thrill of shooting with an upper receiver that meets your high standards.

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