a multiple output and effect grenade is provided , in which an exothermic delay column is utilized to initiate a series of primers via the application of heat to the strike faces thereof , thereby providing a reliable and relatively safe grenade to ship and store . in particular , a multiple output and effect grenade comprised of an exothermic delay column disposed within a central cavity , operable to initiate a series of primers disposed in primer cavities located within the main body of the grenade . the primer cavities may be arranged in a symmetrical or asymmetrical configuration , so as to produce a firing signature resembling an automatic weapon or random gunfire , respectively . in addition , effect charges , such as illuminants , sound agents , chemical irritants , etc ., may be disposed within the primer cavities , as desired by the user .