The EPC-9 Enhanced Upper Receiver is the perfect addition to any AR9 build. Including a last round bolt hold open mechanism and compatible with Aero's robust lineup of Enhanced and Quantum handguards, the EPC-9 Enhanced Upper Receiver provides an extremely rugged handguard mounting solution. The EPC Enhanced Upper Receiver utilizes a one-piece design combining the handguard mounting platform with the upper receiver itself. Through superior engineering, they have condensed the parts needed to mount a free-floated handguard to a mere 8 screws. Since the handguard mounting surface and upper are of the same forging, not only is it a stronger system, but they are able to make addition Mfg: Aero Precision
