Airsoft Internal Parts

Polarstar Jack V2 Conversion Kit
$340.00
he Polarstar JACK V2 M4 Engine - HPA Standard FCU Conversion Kit. This is the full sized FCU version for easy programming. Fits in most M4 and M16 airsoft guns for a full air line HPA engine conversion. Contains everything you need internally. Works d
Polarstar F2 V2 Conversion Kit
$430.00
F2 is essentially a Mini Fusion Engine. It offers the same adjustability and performance as the Fusion Engine in a cylinder sized package.
Prometheus Straight Chamber Hop Up Bucking Soft Blue
$9.00
Good for Long Range
This item can make flat hop
Made in Japan
Polarstar Micro Regulator w/ Braided Air Line 42"
$135.00
The Micro Regulator from Polarstar is an extremely compact regulator standing at less than 3 inches, and is compatible with any HPA or SLP tanks thanks to the integrated universal threading. Using a Micro Regulator eliminates the need for an external UFA
Polarstar Fire Control Unit, Rev. 3, Universal
$73.00
PolarStar Fire Control Unit (FCU) - FE - Jack - F1 - Rev.3/3 Blue FCU

Key features of the 2017 R3 FCU

More compact size
More Energy Efficient
Features same high efficiency voltage regulators and integrated box magazine controller as
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