Weapons that launch probes to muscle to conduct an electrical current to cause pain and/or to interfere with operation of the muscle; Electronic modules for installation as a component part on or in any of the aforementioned weapons, namely, modules featuring batteries; Projectile weapons that deliver an electrical current through muscle to cause pain and/or to interfere with operation of the muscle, namely, guns, pistols, rifles, and projectiles having circuitry that delivers the electrical current, all the aforementioned also being capable of being used as electronic prods; weapons that launch probes to muscle to conduct an electrical current from the weapon through the probes to cause pain and/or to interfere with operation of the muscle; Cartridges comprising wire-tethered darts for use with projectile weapons; Holsters for carrying any of the aforementioned weapons