FX Impact Power Tuning Hammer- and Valve Return Spring
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Power tuning hammer spring + tuning valve return spring set for your FX Impact with Power Plenum. *** WORLD WIDE SHIPPING PER ENVELOPPE ***

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€ 9,99
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Power Tuning Hammer Spring + Valve Return Spring Set For Your FX Impact With Power Plenum 


This is a set of 2 power tuning springs for your FX Impact with Power Plenum and it consists of:

1x Valve Return Spring: 

This slightly weaker valve return spring can be used on any FX Impact equipped with the genuine FX Power Plenum. This spring has a bit weaker powercurve compared to the original valve return spring what will result in a bit longer valve opening time to get some more extra power out of your rifle.
It's great when you want to tune your FX impact for slugs or hybride slugs.


1x FX Impact Power Tune Hammerspring

This hammerspring has a bit more higher powercurve compared to the MKI hammerspring what will give you more flexibility and power adjustment options when using the powerwheel of your FX Impact.
It's great when you want to tune your FX impact for slugs or hybride slugs and we prefer to use this spring over the factory spring when you use the powerplenum in the MKII
 


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Steven Howard - 07-06-2021 16:22

This is a must have if your tuning your FX! With the High Flow V2 Dual Hole Transfer Port Set With Slug- and Pellet Probe i went from 850fps to 1085fps with 15.89gr 950fps with KO 23gr slugs! I also have the power plenum kit.

ROBOK - 06-06-2021 16:04

Unbelievable results great shoot count with tighter groups

ROBO K YOUTUBE - 15-05-2021 10:51

Huma tuning spring and hammer spring made a big difference to power and consistency highly recommended 5stars

Paul - 28-03-2021 19:09

Excellent replacements for the standard fx springs

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