Aero Precision EPC-9 Builder Set with Lower Receiver, Upper Receiver, & Handguard - Custom Finish

The much-anticipated Aero Precision EPC-9 Builder Sets are here! These unique finishes are available one time only and in limited quantities, so get one while you can!

Upper Receiver: 

The EPC-9 upper receiver is the perfect addition to any AR9 build. Including a last round bolt hold open mechanism and compatible with most standard AR15 barrel nut and handguard combinations this upper receiver will help take your pistol caliber build to the next level.

Features:

• Last round bolt hold open mechanism
• Accepts most AR15 compatible barrel nuts and handguards
• Dimple above threads to allow for proper handguard timing
• Standard AR15 takedown/pivot pin lug pattern
• Machined from custom forged 7075-T6 aluminum
• Laser engraved T-marks

Includes:

• Upper Receiver
• Pre-installed last round bolt hold open assembly

Lower Receiver: 

The EPC-9 Lower Receiver delivers billet aesthetics in a forged package for your next pistol caliber build. This custom-designed enhanced forging is machined from 7075-T6 Aluminum and has several functional features, much like the M4E1, to help simplify the assembly process for the at home builder.

EPC-9 Lower Receiver Features:

• Threaded bolt catch pin for easy installation
• Integrated enlarged trigger guard to remove any risk of breaking off trigger guard tabs, and provide an overall more rugged platform to build on
• Threaded takedown pin detent recess to allow for the installation of a detent and spring with a single 4-40 set screw
• Flared magazine well for quick and easy reloads
• Proprietary components pre-installed from the factory
• Standard AR15 takedown/pivot pin lug pattern
• Machined from custom forged 7075-T6 aluminum
• Compatible with standard frame GLOCK® magazines

Free Float Handguard: 

Each Builder Set will ship with your choice of Aero Precision handguard. See our custom options above to choose a handguard that will best suit your next build.