Maryland Code, Public Safety § 5-406

(a)(1) Except as provided in § 5-402 of this subtitle, a person may not manufacture for distribution or sale a handgun that is not included on the handgun roster in the State.

(2) A person may not sell or offer for sale in the State a handgun manufactured after January 1, 1985, that is not included on the handgun roster.

(3) A person may not manufacture, sell, or offer for sale a handgun on which the manufacturer's identification mark or number is obliterated, removed, changed, or otherwise altered.

(c)(1) A person who manufactures a handgun for distribution or sale in violation of this section is guilty of a misdemeanor and on conviction is subject to a fine not exceeding $10,000 for each violation.

(2) A person who sells or offers to sell a handgun in violation of this section is guilty of a misdemeanor and on conviction is subject to a fine not exceeding $2,500 for each violation.

(3) For purposes of this subsection, each handgun manufactured, sold, or offered for sale in violation of this subsection is a separate violation.