Mass. Gen. Laws ch. 269, § 12A: Air rifles; sale to minors

Section 12A. Whoever sells to a minor under the age of eighteen or whoever, not being the parent, guardian or adult teacher or instructor, furnishes to a minor under the age of eighteen an air rifle or so-called BB gun, shall be punished by a fine of not less than fifty nor more than two hundred dollars or by imprisonment for not more than six months.