Aero Precision M4E1 Enhanced Assembled Upper Kodiak Brown 5.56
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Aero Precision
Overview
The Aero Precision M4E1 Enhanced Assembled Upper in Kodiak Brown is a stripped upper receiver designed for the AR-15 platform, specifically chambered in 5.56 NATO. Constructed from 7075-T6 aluminum, this upper receiver offers a robust foundation for your build, featuring the M4E1 receiver type that enhances functionality and aesthetics. This upper is commonly utilized in builds that feature a carbine gas system, making it a versatile choice for those looking to create a reliable and effective rifle.
Specifications
Aero Precision M4E1 Enhanced Assembled Upper Kodiak Brown 5.56
Build history on GunPartPicker
Builders have been adding the Aero Precision M4E1 Enhanced Assembled Upper Kodiak Brown 5.56 to their builds on GunPartPicker since February 2026. All time, it ranks #465 of the 1,654 upper receivers builders have added.
It was out of stock everywhere we track for all of September 2026, and today none of the 3 retailers we track has it in stock right now. Listed prices start at $199.99 at Brownells for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
Aero Precision Stripped M4E1 AR-15 Lower Receiver - Special Edition - Freedom
Daniel Defense 14.5" 5.56 NATO CHF Mid-Length 1:7 Government Contour AR-15 Barrel With Gas Block
B5 Systems Pistol Grip, Black
Breek Arms Warhammer MOD2 Micro Latch AR-15 Ambidextrous Charging Handle - FDE
Aero Precision Enhanced M-LOK Handguard Gen 2 7.3" FDE
Expo Arms 5.56 NATO Complete Mil-Spec M16 / AR-15 Bolt Carrier Group - Chrome
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
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