This SKU comes with no Aero branded packaging or extras.This contract overrun 5.56 BCG is a no-frills nickel boron bolt carrier group that ships without customer packaging. These BCGs feature a satin NiB finish and utilize C158 carpenter steel for the bolt material.FEATURES:M16 Cut CarrierStaked Gas KeyForward Assist SerrationsC158 BoltO-Ring Extractor InsertNickel Boron Finish