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A general term for a shoulder‑fired particle beam weapon, typically more powerful than a carbine or SMG but less than a heavy machine gun. Particle beam rifles are the standard infantry directed‑energy weapon in many speculative futures: semi‑automatic or select‑fire, with effective ranges of 300‑600 meters, capable of penetrating body armor and disabling light vehicles. They use capacitor magazines that provide 20‑50 shots before recharge, and they feature adjustable beam focus for different effects. Heat sinks are integral, often finned or glowing. The term encompasses both military and civilian models (where legal), and debates rage over whether particle beam rifles will ever replace conventional firearms.
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