Note: This barreled upper receiver assembly has a barrel length under 16” and is therefore subject to all NFA rules and regulations. Know your local laws before purchasing.
The Aero Precision M4E1 Threaded Barreled Upper Receiver is chambered in .300 AAC Blackout. This upper offers the total package with unrivaled strength and reliability allowing you to confidently navigate any scenario. It boasts a free-floating 7" M-LOK Atlas R-One handguard with a slim, lightweight profile offering increased ergonomics, maximum airflow, and modularity for optimal performance and durability. The handguard provides an uninterrupted picatinny rail along the top which allows room for sights, optics and accessories. It boasts an 8-inch precision barrel machined from CMV steel for the highest quality and unrivaled durability. The receiver boasts an anodized black type III hard coat providing the strength and toughness to withstand the most severe abuse and provide maximum corrosion resistance. It features a pistol length gas tube and low profile gas block for reliability and optimal performance in all conditions. This Aero Precision upper checks all the boxes with an Atlas R-One handguard to streamline the appearance of your AR by removing the forward assist and it combines the extremely lightweight handguard and with a lightweight barrel to maximize the weight savings on your build.
Features:
- Manufactured by Aero Precision
- AR-15 receiver
- .300 AAC Blackout
- 8” CMV barrel
- 7” M-LOK handguard
- 7075-T6 aluminum
- Type III anodized hard coat
- Pistol length gas tube with low profile gas block
- Does not include bolt carrier group or charging handle
