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TCU Box Magazine Control Kit for PolarStar
The Trigger Control Unit (TCU) kit allows you to hook up your box mag to the HPA Engine (PolarStar) so it will automatically wind when the trigger is pulled. There is also a variation for the Wolverine FCU (due to different connection ports on the FCU).
$34.95 -
TCU Box Magazine Control Kit for Wolverine
The Trigger Control Unit (TCU) kit allows you to hook up your box mag to the HPA Engine (Wolverine) so it will automatically wind when the trigger is pulled. There is also a variation for the Polarstar FCU (due to different connection ports on the FCU).
$34.95 -
TH High Strength PTW Magazine Spring, 5pk
These springs come from an airsoft manufacturer in Taiwan. They have developed a High Strength spring for PTW magazines. Magazine only needs one spring instead of two springs. Use 0.40g bb without jamming. Completely smooth and won't sack out quickly...
$27.95 -
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