Polarstar CGS Type 1 12g CO2 Milspec RS Spec version - View larger

Polarstar CGS Type 1 12g CO2 Milspec RS Spec version


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283,25 € tax excl.

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More info

With the PolarStar CGS™ you can now get the performance advantage of a HPA system without needing to be tethered to a remote air rig and still retain the likeness and function of a traditional adjustable AR-15 stock. It can be used with any of the PolarStar cylinder conversion kits such as the F2™, F1™ or JACK™ and is compact enough that it can also be used with other similar HPA cylinder systems on the market. The UGS™ features an integral regulator which follows the same design as the highly regarded PolarStar Micro Reg and delivers the same lightening fast performance. This regulator has a output pressure range of 40-130psi which is easily adjusted using a 3/32 allen key but can be locked out using a standard chrono zip tie which blocks the adjustment screw.

  • This configuration is designed to accept 12gr CO2 sparklett (sold separately).
  • This Type 1 is designed for use with RS Spec threaded M4 series AEG receivers. (Modification of the receiver and gearbox may be required)


  • 40-130 PSI Output Range
  • Works with HP or SLP regulators. SLP Recommended.
  • Simple zip-tie lockout/tournament lock
  • Adjustable length of pull
  • Same internal design as the Micro Reg™. All internals
  • except piston are interchangeable between Micro Reg™ and UGS™.
  • Regulator uses only 2 o-rings, promoting reliability and ease of maintenance.

Not compatible with Fusion Engine™.

Data sheet

Main colorBlack
Power sourceCO2


Questions  (2)

A partir de Benjamin | 2023-12-30 21:50:48

Compatible hk416A5 essentiel?


Bonjour , non il n'est pas compatible .

A partir de hugo | 2023-02-28 16:39:51

bonjour, je souhaiterais installer ce tube de cross sur ma RK74, es possible ?
Merci d'avance.


non il ne sera pas compatible.

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