Aero Precision M4E1 Builder set delivers premium modularity for your next AR-15 build. This complete upper receiver kit includes a sleek 15-inch M-LOK handguard in Midnight Haze, offering a lightweight yet durable platform for customization. The M4E1 threaded upper features enhanced rigidity and a modern aesthetic, perfect for tactical or precision setups.
- Brand: Aero Precision
- Model: M4E1 Threaded Upper Receiver
- Handguard: 15″ M-LOK (Midnight Haze)
- Material: 7075-T6 Aluminum (Type III Hardcoat Anodized)
- Compatibility: Standard AR-15/M4 parts
- Weight: ~1.5 lbs (handguard only, est.)
Ideal for builders seeking a balance of strength and modularity. Free FFL transfer to any Tennessee dealer.
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