Md. Code, Public Safety § 5–140

(a) A dealer or other person may not transport a regulated firearm into the State for the purpose of unlawfully selling or trafficking of the regulated firearm.

(b) A person who violates this section is guilty of a felony and on conviction is subject to imprisonment not exceeding 10 years or a fine not exceeding $25,000 or both.

(c) Each violation of this section is a separate crime.