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A crew‑served or vehicle‑mounted directed‑energy weapon designed for sustained suppressive fire, firing a continuous or rapidly pulsed stream of charged particles. Unlike kinetic machine guns that rely on ammunition feed, particle beam machine guns are limited by power and cooling. They can sustain beams for seconds or pulse at thousands of cycles per minute, cutting through light armor, destroying electronics, and igniting fuel. In theory, a particle beam machine gun could be mounted on a tripod, a vehicle, or a drone, providing area denial with near‑instantaneous effect. The main challenges are thermal management (cooling systems can be as bulky as the weapon itself) and power supply (generators or capacitor banks the size of a small refrigerator). Still, the tactical advantages—silent operation, no ammunition to carry, and adjustable power settings—make it a persistent goal of military research.
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