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A long‑range electromagnetic weapon that accelerates a single, heavy projectile to extreme velocities using a long rail assembly. Rail sniper rifles offer unmatched muzzle velocity (Mach 7 or more), flat trajectories, and the ability to engage targets at distances beyond conventional sniper rifles (2‑3 kilometers). The projectile is typically a fin‑stabilized flechette or a small, dense slug. Drawbacks include the weapon's length (the rails need to be long), power requirements (a backpack‑sized capacitor bank), and a loud electrical crack on firing. Rail sniper rifles are a staple of futuristic military fiction, often portrayed as the ultimate anti‑materiel weapon.
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