Aero Precision M4E1-T Complete Upper 13.9" 5.56 NATO

Description

Product Overview

Aero Precision’s M4E1-T complete upper pairs a 13.9-inch 5.56 NATO mid-length CMV barrel with a 12.7-inch ATLAS R-ONE handguard for an AR-15 build-ready setup. The upper receiver includes the port door and forward assist, while the ATLAS attachment system keeps the handguard slim and secure for mounting accessories. This assembly ships complete as shown and does not include a BCG or charging handle.

Key Features

• 13.9-inch 5.56 NATO mid-length CMV barrel in 4150 CrMoV steel with QPQ finish
• 1:7 twist for versatile 5.56 performance and stability
• Low profile gas block and mid-length gas tube included for a proper mid-length setup
• ATLAS R-ONE 12.7-inch handguard with a full top picatinny rail and multiple sling socket positions
• M4E1-T threaded upper receiver with M4 feed ramps, laser engraved T-marks, and forward assist
• Compatible with mil-spec AR-15 upper receivers and barrels

Build with a complete, assembled upper designed for a smooth installation into your lower—add your preferred BCG and charging handle and you’re ready to finish the setup.