This bill wouldn't see the light of day in Annapolis!
https://www.jems.com/articles/news/2019/01/bill-to-arm-firefighters-medics-passes-in-virginia-senate.html
This was on the MSP web site:
Q: Can a lower receiver be considered a “copycat” weapon?
A: A receiver (upper or lower) could not be a "copycat weapon" because the receiver does not meet the definition in CR 4-303(e)(1). A receiver for one of the enumerated assault long guns would be...