Md. Code, Public Safety § 5–701

(a) In this subtitle the following words have the meanings indicated.

(b) “Antique firearm” has the meaning stated in § 4–201 of the Criminal Law Article.

(c) “Federally licensed firearms dealer” means a person licensed by the federal Bureau of Alcohol, Tobacco, Firearms and Explosives to deal in firearms.

(d) “Federally licensed firearms importer” means a person licensed by the federal Bureau of Alcohol, Tobacco, Firearms and Explosives to import firearms.

(e) “Federally licensed firearms manufacturer” means a person licensed by the federal Bureau of Alcohol, Tobacco, Firearms and Explosives to manufacture firearms.

(f) “Firearm” has the meaning stated in § 5–101 of this title.

(g) “Secretary” means the Secretary of State Police or the Secretary’s designee.

(h) “Unfinished frame or receiver” means a forged, cast, printed, extruded, or machined body or similar article that has reached a stage in manufacture where it may readily be completed, assembled, or converted to be used as the frame or receiver of a functional firearm.