Aero Precision

Aero Precision 20in 5.56 NATO AR 15 Upper

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Aero Precision 20in 5.56 NATO AR 15 Upper

The Aero Precision 20in 5.56 NATO AR-15 Upper – is a high-quality, versatile AR-15 upper designed for the discerning firearms enthusiast. This complete upper is the same one featured on the AERO M16A4 Special Edition Complete Rifle, boasting a 20" 5.56 barrel with a pinned FSB for outstanding accuracy and performance. The 1:7 twist rate, 4150 Chrome Moly Vanadium construction, and QPQ corrosion-resistant finish ensure longevity and durability. For added functionality, it has an A2 detachable carry handle, an A2 front sight block with a bayonet lug, a rifle-length A2 style handguard, and a standard A2 flash hider. Please note that this complete upper does not include a BCG or charging handle. Upgrade your AR-15 with this precision-crafted, reliable upper for an enhanced shooting experience.


  • Upper: Standard M4 Upper Receiver
  • Barrel: 20" 5.56 NATO, Rifle Length, 1:7 Twist, 4150 Chrome Moly Vanadium, QPQ corrosion resistant finish
  • Sights: A2 Detachable Carry Handle and A2 Front Sight Block w/ Bayonet Lug
  • Handguard: A2 Style Handguard, Rifle Length
  • Gas System: Rifle Length Gas System
  • Muzzle Device: Standard A2 Flash Hider
  • This complete upper does not include a BCG or Charging Handle
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