Aero Precision M4E1 Threaded Assembled Upper Receiver


Distinguished by its unique angular machined design, the M4E1 Threaded Upper Receiver offers a distinctive appearance that sets it apart from traditional mil-spec upper receivers. While sharing the enhanced body profile of our M4E1 Enhanced Upper Receiver, this version is threaded to accommodate a standard AR15 barrel nut. Crafted from high-quality 7075-T6 Aluminum, it undergoes precision machining to ensure compatibility with all mil-spec AR15 components. The upper receiver comes pre-installed with the port door and forward assist for added convenience.



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