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Faxon Firearms
Overview
The Faxon Firearms 338 ARC Complete Upper Receiver for AR-15 is designed to deliver enhanced performance with a 12.5-inch barrel chambered in 6mm ARC. This complete upper assembly allows builders to easily upgrade their AR-15 platform, providing a compact option that balances maneuverability and accuracy. You'll commonly find this upper in builds focused on precision shooting and versatile applications where a shorter barrel is advantageous.
Specifications
338 ARC COMPLETE UPPER RECEIVER FOR AR-15
Available Merchants(1)
Stock Alert
Build history on GunPartPicker
Builders on GunPartPicker first added the FAXON Firearms 338 ARC COMPLETE UPPER RECEIVER FOR AR-15 to a build in June 2026.
Updated · from real builds on GunPartPicker
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