Massachusetts General Laws Part I. Administration of the Government (Ch. 1-182) Ch. 131, § 57

Every Sunday shall be a closed season. Except as otherwise provided in sections four, thirty-one and thirty-seven, a person, on Sunday, shall not hunt any bird or mammal or carry on that day on his person a rifle, shotgun or bow and arrow or, unless otherwise permitted by law, a pistol or revolver, in any place where birds or mammals might be found. This section shall not render unlawful the possession or carrying of a rifle, shotgun, pistol, revolver or bow and arrow, for the purpose of using the same on a skeet, trap or target range, nor for the purpose of using the same for sport target shooting at artificial targets by an owner or lessee, or his guest, upon his own or leased property, or by members or guests of clubs or associations on supervised firing ranges, nor shall it prohibit the taking of mammals by means of traps, nor the training of falcons or protected species, nor the exercising of such falcons as regulated by the director.