Aero Apar700704M99 M4E1-T Complete Upper 13.9 5.56 Cmv Mid

Overview

The Aero Precision M4E1-T complete upper is chambered in 5.56 NATO and features a 13.9-inch 4150 CrMoV steel barrel with a QPQ finish and a 1/7 twist rate. It utilizes a mid-length gas system with a low-profile gas block and a gas tube. The upper receiver is built with an enhanced forging that provides a billet-style aesthetic and includes M4 feed ramps, a forward assist, and an installed port door. It comes equipped with a 12.7-inch ATLAS R-ONE handguard, which features a full-length top Picatinny rail, a slim 1.3-inch inside diameter, and quick-disconnect sling sockets at the 3, 6, and 9 o'clock positions. The muzzle is finished with a standard A2 flash hider. Note that this assembly does not include a bolt carrier group or charging handle.

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