Aero Precision M4E1 Stripped Upper | 5.56 NATO | FDE

This listing is for an Aero Precision M4E1 stripped upper receiver finished in anodized Flat Dark Earth. The receiver is a forged 7075-T6 aluminum M4E1 design with enhanced forging and the visual billet-style look characteristic of the M4E1 line. It is intended as a component for AR-15 platform builds configured for .223 Rem / 5.56 NATO cartridges.

Suitable applications include custom AR-15 assembly for sport/target shooting and competition or precision-oriented parts upgrades where a forged M4E1 upper is preferred.

Product Specifications

• The manufacturer is Aero Precision.
• The model is listed as M4E1 stripped upper receiver.
• The product UPC is 840014600045.
• The finish is Anodized in Flat Dark Earth.
• The material is Forged 7075-T6 aluminum.
• This item is an AR-15 accessory (stripped upper receiver).
• The compatible cartridge is .223 Rem / 5.56 NATO.
• The product dimensions are 2.70 x 3.40 x 8.75 inches.
• The product width is 3.4000 inches.
• The product height is 2.7000 inches.
• The product length is 8.7500 inches.
• Features include M4 feedramps for reliable magazine engagement.
• Features include a .250 takedown/pivot pin hole dimension.
• Includes a threaded forward assist roll pin feature.
• The receiver is machined to MIL‑SPEC tolerances.

This stripped upper provides the core platform for building a high-quality AR-15. Its forged 7075-T6 construction and M4E1 geometry make it a straightforward choice for shooters assembling a durable, serviceable upper where compatibility with 5.56/.223 components is required. The anodized Flat Dark Earth finish offers visual consistency for FDE builds and resists surface wear under normal use.