Aero Precision EPC-9 9mm Lower Receiver

Aero Precision EPC-9 Lower Receiver

The EPC-9 lower receiver delivers the refined appearance of a billet component with the proven durability of a forged platform. Purpose-built for 9mm pistol caliber AR-platform builds, this receiver incorporates several thoughtful design features that simplify assembly and enhance reliability.

Construction & Materials

Machined from premium 7075-T6 aluminum, the EPC-9 features a custom-enhanced forging that balances strength with weight efficiency. The black anodized finish provides excellent corrosion resistance and a professional appearance.

Key Features

• Threaded bolt catch pin – Eliminates the frustration of wrestling with traditional pins during assembly
• Integrated enlarged trigger guard – Removes the risk of breaking off trigger guard tabs while providing a more robust platform
• Threaded takedown pin detent recess – Allows single 4-40 set screw installation for detent and spring
• Flared magazine well – Facilitates quick, smooth magazine changes under pressure
• Pre-installed proprietary components – Reduces assembly complexity for home builders
• Standard AR15 takedown/pivot pin pattern – Ensures compatibility with existing upper receivers and components
• GLOCK magazine compatibility – Works with standard GLOCK factory magazines for cost-effective ammunition capacity

The Bottom Line

Whether you're building your first pistol caliber AR or adding to your collection, the EPC-9 delivers the quality and thoughtful engineering Aero Precision is known for. It's a platform designed by shooters, for shooters.