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Aero Precision
Overview
The Aero Precision M5 20" .308 CMV Complete Upper Receiver is designed for the AR-10 platform, featuring a complete assembly that ensures seamless integration with your lower receiver. This upper is chambered in .308 Win, making it suitable for a range of applications from precision shooting to tactical use. The included 15" ATLAS R-ONE handguard provides ample rail space for accessories while maintaining a lightweight profile. This upper is commonly found in builds focused on .308 Win caliber configurations, perfect for builders looking for robust performance and versatility.
Aero Precision M5 20\" .308 CMV Complete Upper Receiver with 15\" ATLAS R-ONE Handguard - OD Green Anodized - APAR538772M27
Prices checked
Aero Precision M5 20\" .308 CMV Complete Upper Receiver with 15\" ATLAS R-ONE Handguard - OD Green Anodized - APAR538772M27 ranked #360 of the 844 upper receivers builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #866 of the 2,053 upper receivers builders have added.
It was out of stock everywhere we track every time we checked in October 2026, and today the one retailer we track is out of stock. Listed prices start at $629.99 at Optics Planet for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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 →Check it against the live catalog:
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