Which one of the following is not included in the definition of 'ammunition' under Section 2(1)(b) of…

Under Section 2(1)(b) of the Arms Act, 1959, 'ammunition' means ammunition for any firearm and explicitly includes rockets, bombs, grenades, shells, and other missiles, as well as fuses and friction tubes. 'Firearms' are separately defined under Section 2(1)(e) of the Act as arms of any description designed or adapted to discharge a projectile or projectiles of any kind by the action of any explosive or other forms of energy.