Mass. Gen. Laws ch. 266, § 121: Entry on land with firearms

Section 121. Whoever, without right, enters upon the land of another with firearms, with intent to fire or discharge them thereon, and, having been requested by the owner or occupant of such land or by his agent to leave such land, remains thereon, shall be punished by a fine of not more than two hundred dollars or by imprisonment for not more than two months, or both.