Aero Precision M4E1 Assembled Upper Receiver Olive Drab Green

In the world of firearms, precision and reliability are paramount. The M4E1 Threaded Upper Receiver stands as a testament to these principles. Forged from robust 7075-T6 Aluminum, this receiver is designed for those who demand excellence in their AR15 platform.

Its new angular machined design sets it apart from the conventional mil-spec upper receivers—offering not only aesthetic distinction but also enhanced functionality. Unlike its counterparts, this model features a threaded interface that seamlessly accepts a standard AR15 barrel nut, ensuring compatibility with all mil-spec parts without compromise.

For ease of use and installation efficiency, the M4E1 Threaded Upper Receiver comes complete with both the port door and forward assist pre-installed. This meticulous attention to detail ensures that users can focus on what truly matters: performance in every shot.

Whether you’re an experienced marksman or new to rifle customization, this upper receiver offers intuitive handling coupled with unparalleled durability—a choice weapon accessory for those who refuse to settle for anything less than superior.