Description
The heavy spring is what comes standard in Fusion Engine and F2 HPA systems. It is also the “extra” spring that comes with the Kythera system.
Heavy Nozzle / Poppet Spring – FE/F2/Kythera
$7.99
In stock
1 review for Heavy Nozzle / Poppet Spring – FE/F2/Kythera
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Brad Hughson (verified owner) –
Awesome little upgrade to the Kythera. Also is very cheap to get a quick and easy increase in FPS. Highly recommend