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BOLT M Sniper Conversion Kit for SRS

The BOLT M is an HPA conversion kit for bolt-action sniper rifles. It helps you to stay hidden, stay on target, and save air. Because it is intrinsically quiet, you can be the ultimate stealthy sniper. Because there is no spring, you can seamlessly cycle the action while staying locked on your target. With our Air Saver technology, you get the most our of your HPA tank or CO2 cartridge. Without the need for an FCU or battery, BOLT M offers pure mechanical, reliable performance.


  • Simply perfect performance: Built on the legacy of the original BOLT system, the BOLT M delivers top-level performance.
  • Fully mechanical: The fully-mechanical designs offers a more convenient and reliable battery-free operation.
  • Stay on target: Smooth, spring-free actions makes it easy to keep sights on target, improving the speed and accuracy of follow-up shots!
  • Easy installation: Quick-change between spring and HPA provided by an innovative air attachment system!


  • Input Pressure: 60-180 PSI (Use with STORM Regulator for best performance)
  • Output Energy: 1.0 – 3.0J Adjustable (build dependent)
  • Weight 0.5 lbs
  • Dimensions 8 × 4 × 2 in
  • Sniper Platform: Silverback SRS


  • BOLT M HPA Engine
  • BOLT 1/8″ Airline
  • Airline Adapter
  • Cylinder Head
  • O-Ring Kit