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Aero Precision
Overview
The Aero Precision EPC-9 Threaded Upper Receiver is a stripped upper designed specifically for the AR-9 platform, allowing you to build a lightweight and robust 9mm firearm. Made from 7075-T6 aluminum, this A4 receiver features a clean black anodized finish and includes a last round bolt hold open (LRBHO) feature, enhancing functionality during shooting sessions. This upper is commonly used in builds that prioritize compactness and versatility, making it ideal for personal defense or competitive shooting applications.
Aero Precision Epc-9 - Threaded Upper Receiver With Lrbho - Anodized Black
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Builders have been adding the Aero Precision Epc-9 - Threaded Upper Receiver With Lrbho - Anodized Black to their builds on GunPartPicker since March 2026. All time, it ranks #110 of the 1,592 upper receivers builders have added.
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 $137.99 at KY Gun Company for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 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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