Can't you list the as your bona fide market that you will be selling CA compliant versus of the altered AW? Seems easier to say that than find an LEO that wants or needs AW.
E.g. "The applicant intends to take firearms that are AWs and alter them so that they are no longer meet the definition of AWs under California law and then sell these compliant firearms in CA. There is currently significant market demand for CA compliant firearms in the marketplace that is not being met by the current manufacturers and gun alteration specialists. In addition, the applicant foresees the expansion of CA style regulation into other states and wants to be prepared to provide safe and compliant firearms in those markets as well."