N.J. Stat. § 13:1G-21.1
As used in this act:
"Handgun" means a pistol, revolver or other firearm originally designed or manufactured to be fired by the use of a single hand.
"Rifle" means a firearm designed to be fired from the shoulder and using the energy of the explosive in a fixed metallic cartridge to fire a single projectile through a rifled bore for each single pull of the trigger.
"Shotgun" means a firearm designed to be fired from the shoulder and using the energy of the explosive in a fixed shotgun shell to fire through a smooth bore either a number of ball shots or a single projectile for each pull of the trigger, or any firearm designed to be fired from the shoulder which does not fire fixed ammunition.
"Skeet shooting" means shooting with a shotgun at a succession of clay pigeons sprung at different angles into the air from a trap.
"Trapshooting" means shooting with a shotgun at a clay pigeon sprung into the air from a trap.
N.J.S. § 13:1G-21.1