The stated goal of this law is to ban untraceable firearms, or “ghost guns.” Though the Maryland House and Senate worked on simultaneous, competing bills, SB 387 won the day and passed both chambers on March 29, 2022. If signed by the Governor, it would prohibit a person from purchasing, receiving, selling, offering to sell, or transferring an unfinished frame or receiver unless federal law requires the frame or receiver to be imprinted with a serial number, and it has in fact been imprinted with a serial number.