Aero Precision - M4E1 Threaded Upper Receiver Kodiak Brown

Aero Precision M4E1 Threaded Upper Receiver - Kodiak Brown

The Aero Precision M4E1 Threaded Upper Receiver is engineered for AR15 builders who demand precision, durability, and a billet-style appearance without the billet price. Finished in a rugged Kodiak Brown anodizing, this upper delivers both performance and style for your rifle build.

Key Features:

• New angular machined design for a billet look
• Threaded to accept a standard AR15 barrel nut
• Enhanced forging with improved body profile
• Picatinny rail profile blends seamlessly with Aero Enhanced & ATLAS Series Handguards
• M4 feed ramps for reliable feeding
• .250 takedown pin holes for mil-spec compatibility
• Laser-engraved T-marks for easy optics mounting reference
• Includes port door and forward assist (pre-installed)
• Threaded forward assist roll pin included

Specifications:

• Platform: AR15
• Material: 7075-T6 forged aluminum
• Finish: Kodiak Brown anodized
• Weight: 8.65 oz
• Barrel Nut Torque: 50 ft-lbs
• Compatibility: Works with all standard AR15/M16 components
• Made in the USA

Important Note on Finish: Colored anodized parts may vary slightly in shade and appearance compared to photos and other components of the same color. This is a natural characteristic of the anodizing process.

The Aero Precision M4E1 Threaded Upper Receiver is the ideal foundation for your next AR15 build, delivering reliability, strength, and a unique billet-style look for serious shooters and builders.