Mass. Gen. Laws ch. 269 § 11A
Current with Act changes effective as of September 9, 2024
For the purposes of this section and sections eleven B, eleven C and eleven D, the following words shall have the following meanings:
"Firearm", a firearm as defined in section one hundred and twenty-one of chapter one hundred and forty, or a rifle or shotgun.
"Serial number", the number stamped or placed upon a firearm by the manufacturer in the original process of manufacture.
"Identification number", the number stamped or placed upon a firearm by the colonel of the state police under authority of section eleven D.
Mass. Gen. Laws ch. 269, § 11A