Abstract: A combination cartridge ?21! and grip ?20! for propelling a projectile ?28! having frangible walls ?89! forming a cavity ?93! for holding a disabling agent such that when the projectile strikes an object it will burst and spread the agent over the target, and wherein the cartridge includes a chamber ?27A! for receiving a projectile and the grip includes a firing assemblies ?46A!, moveable between cocked and uncocked positions, and a trigger actuator ?37A! for allowing the associated firing assembly to move from the cocked to the uncocked position, with means for latching the cartridge to the grip including cocking means for cocking the firing assembly when the cartridge and grip are latched together, and means for propelling the projectile from the cartridge towards the object in response to the firing assembly being activated by the trigger.