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The Aero Precision EPC-9 receiver set is the perfect foundation for your next AR9 build. Precision machined from 2 custom 7075-T6 Aluminum forgings and featuring a last round bolt hold open. Compatible with standard frame Glock magazines, the EPC-9 receiver set is compatible with 9x19 and .40 S&W when using the appropriate bolt carrier and barrel.
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
EPC-9 Upper Receiver Features:
Last round bolt hold open mechanism
Accepts most AR15 compatible barrel nuts and handguards
Dimple above receiver threads provides a visual reference for proper handguard timing when needed