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Monk Customs CSG HPA Gearbox

Original price was: $159.99.Current price is: $139.99.

Out of stock


The Monk CSG Gearbox is the ultimate HPA gearbox.  It is a 3 piece system for optimal installation and maintenance.  It has beautiful fittings with other parts, and is the best gearbox on the market.

  • Ultra Light
  • High Grade CNC Aluminum
  • MFCU Ready
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