Motor vehicle or trailer designed for purpose of defense or attack—Any person who shall construct, reconstruct, devise, manufacture, purchase, sell, possess or operate any motor vehicle or other vehicle capable of being drawn by a motor vehicle, designed for the use or purpose of defense or attack, from or by explosives, projectiles, ammunition, gases, fumes or other missiles, weapons and firearms, without first obtaining a license therefor from the commissioner of the department of public safety, or his duly authorized deputy, shall be guilty of a felony, punishable by imprisonment in the state prison not more than 5 years or by a fine not more than 2,500 dollars: Provided, That the provisions of this section shall not apply to any person constructing, reconstructing, devising, manufacturing, purchasing, selling, possessing or operating such vehicles by virtue of any contract with any department of the government of the United States, or with any foreign government, state, municipality or any subdivision thereof.

Applications for said license shall be upon forms provided by said commissioner of public safety. The applicant shall possess the same qualifications and said license shall be issued and revoked in the same manner and subject to the same conditions as are prescribed by law for the issuing and revoking of licenses for carrying concealed weapons, insofar as the same are applicable. The said commissioner may prescribe such other rules and regulations as are necessary to carry out the purpose of this section.