Aero Precision M4E1 Builder Set delivers premium components for your custom AR-15 build. This tan anodized set includes the M4E1 upper and lower receiver paired with an Atlas R-One M-LOK handguard, offering a lightweight yet durable platform. Marked as a cosmetic blem, these parts may have minor aesthetic imperfections but retain full functionality and structural integrity.
- Brand: Aero Precision
- Model: M4E1 Builder Set
- Handguard: Atlas R-One M-LOK (tan anodized)
- Finish: Tan anodized (cosmetic blem)
- Compatibility: Standard AR-15/M4 parts
- Weight: Lightweight aluminum construction
Ideal for builders seeking high-quality, budget-friendly components. Free FFL transfer to any Tennessee dealer.





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