MPN: AP-APSL100566S / AP-APSL100567S


  • M4 style feed ramps
  • 0.250 takedown pin holes
  • Laser engrave T-marks
  • Left-handed BCG cam channel
  • Left-handed ejection port
  • Left side ejection-oriented ejector, extractor, and cam pin path
  • Left side forward assist serrations

Upper Receiver Specifications:

  • Material: 7075-T6 Aluminum
  • Weight: 6.88 oz.
  • Finish: Mil-Spec Type III Class 2 Hardcoat Anodized

Bolt Carrier Group Specifications:

  • Bolt Material: Carpenter 158 Tool Steel
  • Carrier Material: 8620 Steel
  • Finish: Nickel Boron or Phosphate Black
  • Weight: 11.64


  • AR-15 lower receiver

*Left-handed upper receivers require left hand ejection specific upper parts kits. They will not work with standard upper parts kits.


  • 1x Aero Precision Left-Handed Striped AR15 Upper Receiver
  • 1x Aero Precision Left-Handed BCG


The Aero Precision Left-Handed Striped AR15 Upper Receiver with BCG is a bespoke solution for left-handed shooters aiming to custom-build their AR15. Designed specifically for southpaw shooters, this upper receiver and bolt carrier group (BCG) combo ensures seamless left-handed ejection. No more awkward maneuvers or compromises—just fluid, instinctive action.

Precision Engineering for Enhanced Performance

Crafted with the precision and reliability Aero Precision is known for, this upper receiver and BCG combo ensures that left-handed shooters no longer have to adapt to a right-handed world. The left-handed ejection port and BCG cam channel are engineered for optimal function, ensuring that every round is ejected safely away from the shooter, enhancing both safety and comfort.

Optimized for Accuracy and Durability

Featuring a T-Marked Picatinny rail for easy accessory mounting and M4 feedramps for improved reliability, the anodized black finish not only adds a sleek look but also enhances durability. Don’t settle for ordinary. Elevate your shooting experience with the Aero Precision Left-Handed Striped AR15 Upper Receiver.

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