1. A MEANS FOR CONTROLLING THE FIRING OF EXPLOSIVE PROJECTILES COMPRISING A MAGAZINE IN WHICH SAID PROJECTILES ARE ALIGNED FOR FEEDING TO A FIRING MECHANISM, EACH OF SAID PROJECTILES COMPRISING A HEAD FUSE SET FOR INSTANTANEOUS DETONATION UPON IMPACT FITTED TO THE HEAD OF SAID PROJECTILE, A BOTTOM FUSE SET FOR DELAYED DETONATION UPON IMPACT FITTED TO THE BOTTOM OF SAID PROJECTILE, A STRIKER PIN IN SAID HEAD FUSE MOVABLE LONGITUDINALLY OF SAID PROJECTILE TO UNARMED POSITION AND CONTROL MEANS POSITIONED UPON SAID MAGAZINE COOPERATING WITH SAID MOVABLE STRIKER PIN FOR POSITIONING SAID STRIKER PIN AT UNARMED POSITION AS SAID PROJECTILES MOVE IN SAID MAGAZINE.