Compact EPC-9 complete upper assembly with 8.3-inch 9mm barrel and M-LOK handguard for direct-blowback AR9 builds.

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Aero Precision EPC-9 Threaded Complete Upper Receiver 8.3in 9mm w/ ATLAS S-ONE 7.3in Handguard Anodized Black
Add the Aero Precision EPC-9 8.3" Complete Upper to your build and see how it enhances your platform.