Section 19 Arms and ammunition; parts and accessories thereof 93 Arms and ammunition; parts and accessories thereof 93 01 Military weapons, other than revolvers, pistols and the arms of heading 9307 93 01 20 - Rocket launchers; flame-throwers; grenade launchers; torpedo tubes and similar projectors. Commodity Code Description 93 01 20 00 - Rocket launchers; flame-throwers; grenade launchers; torpedo tubes and similar projectors.