A rocket-propelled grenade (RPG) is a shoulder-fired missile weapon that launches rockets equipped with an explosive warhead.Depending on the country or region, people might use the terms bazooka or RPG as generalized terms to refer to such weapons, both of which are in fact specific types of rocket launchers.vertices 32,878edges 64,638faces 31,767triangles 65,746The ruggedness, simplicity, low cost, and effectiveness of the RPG-7 has made it the most widely used anti-armor weapon in the world. Currently around 40 countries use the weapon; it is manufactured in several variants by nine countries. It is popular with irregular and guerrilla forces.