Particle Beam is a Gun Perk in Call of Duty: Infinite Warfare.
Fire Mode: Master Key · Overcharged · Spike · Break Point · Triad · Eighty Seven · Trigger Happy · Supercell · Sniper Mod · Lucky 7 · Whirlwind · Particle Beam · Ballistic Conversion Kit · Double Barrel · Tri-Barrel · Celerity · Invert Polarity · Slicer · Berserker · Overload · Primed · Selector Switch · Burst Fire Alternate Mode · Triple Barrel Burst · Lightweight Hammer