Aero Precision 5.56 Carbine Barreled AR-15 Upper – Pinned FSB – MOE SL Handguard – 16″


  • 16” barrel chambered in 5.56 NATO
  • Pinned front sight gas block
  • Carbine length gas system
  • Magpul MOE SL M-LOK handguard
  • A2 flash hider
  • Flat Top M4 upper receiver
  • Forged aluminum to Mil-Spec


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SKUAPAR502505M64 Category

Start your next AR-15 build with this Aero Precision 5.56 carbine barreled upper receiver. It features a 16” barrel that has been chambered in 5.56 NATO, and comes complete with a pinned front sight gas block and carbine length gas system. The Magpul MOE SL M-LOK handguard provides a lightweight, durable platform for attaching accessories to your rifle. The upper receiver is forged from aluminum to Mil-Spec dimensions and hardcoat anodized black. Choose your favorite bolt carrier group and charging handle to complete your custom upper receiver.


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