Aero Precision EPC-9 Receiver Set Semi-automatic 40 S&W/9MM

The Aero Precision EPC-9 receiver set is Precision machined from 2 custom 7075-T6 Aluminum forgings and features a last round bolt hold open. This EPC-9 Receiver Set is compatible with standard frame Glock magazines and accepts 9x19 or .40S&W when using the appropriate bolt carrier, barrel and magazine combination.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 aluminumEPC-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 Standard AR15 takedown/pivot pin lug pattern Machined from custom forged 7075-T6 aluminum