Counter Strike Online Wiki

Rail Buster is a Unique grade Equipment in Counter-Strike Online.


Empty slot This weapon has Part System installed.

A rail gun that can launch accelerated projectiles with electromagnetic energy. The finished charging will give maximum power.

Details: Hold right-click to charge. Charged attacks penetrate enemies. Charged Attack Max Damage: 110 (Normal), 850 (Zombie), 3808 (Scenario)


  • High accuracy
  • Has crosshair
  • Can be charged to deal higher damage
  • Can be used in a room with New Classic weapons restrictions


  • Only obtainable from Mileage Decoder
  • Cannot zoom
  • Very heavy weight
  • Low damage if not charged
  • Expensive

Release date[]

  • South Korea: 6 October 2016.
  • Taiwan/Hong Kong & China: 12 October 2016
  • Japan: 26 October 2016
  • Indonesia: 8 February 2017
  • CSN:Z: 12 April 2017


Shoot sound

Ditto, charged


  • Unlike Thunderbolt, Rail Buster doesn't disable the crosshair when equipped and does lower damage. However, just like Rail Cannon, it can be charged to do higher damage.
  • Its trail when uncharged is similar to Lightning Rail.
  • While other Science Fiction series weapons have unknown origin, Rail Buster is stated to originate from USA.
  • This weapon heavily resembles the Railgun from the 'Halo' franchise.