Aero Precision M5 Assembled Upper OD Green .308 Win
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Aero Precision
Overview
The Aero Precision M5 Assembled Upper in OD Green is a stripped upper receiver designed to accommodate .308 Win cartridges, making it a robust choice for builders looking to create a heavier caliber AR-15 platform. Crafted from 7075-T6 aluminum, it provides a strong yet lightweight foundation for your firearm. This upper is commonly paired with a mid-length gas system, allowing for smoother cycling and enhanced reliability in various shooting scenarios.
Specifications
Available Merchants(6)
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Build history on GunPartPicker
Builders have been adding the Aero Precision M5 Assembled Upper OD Green .308 Win to their builds on GunPartPicker since February 2026. All time, it ranks #843 of the 1,572 upper receivers builders have added. Builds with this upper receiver are nearly all chambered in .308 Win and nearly all AR-10.
It was out of stock everywhere we track for all of August 2026, and today none of the 6 retailers we track has it in stock right now. Listed prices start at $150.99 at KY Gun Company for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 retailers
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We ranked every upper receiver by how often it shows up in real builds on GunPartPicker.
Read the guide: Most Popular AR-15 Upper Receivers →Frequently Built With
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