Animated RPG, with sound, that has several triggers for aiming and firing .. a Rocket-Propelled Grenade, or RPG for short, is a shoulder-fired anti-tank weapon system that fires rockets equipped with an explosive warhead .. the warheads are affixed to a rocket motor, which propels the RPG towards the target, that are stabilized in flight with fins .. some types of RPG are re-loadable, while others are single-use, and with some exceptions, are generally loaded from the muzzle..