Description
HUMA-AIR FX IMPACT SLUG POWER TUNE KIT
Get the maximum performance out of your FX Impact with the Huma-Air FX Impact Slug Power Tune Kit. Perfect when using slugs, but still also compatible with pellets. Huma-Air made this tuning kit due to special requests from customers.
The power tune kit consists of:
– Pin probe for maximum air flow trough the transferport.
– Power Tuning Hammer- and Valve Return Spring Set.
Valve Return Spring
This slightly weaker valve return spring can be used on any FX Impact equipped with the genuine FX Power Plenum. The spring has a bit weaker powercurve compared to the original valve return spring . This 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 hybrid slugs.
FX Impact Power Tune Hammerspring
Interestingly, this hammerspring has a bit higher powercurve compared to the MKI hammerspring. You will get 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 hybrid slugs. Huma-Air prefers to use this spring over the factory spring when you use the powerplenum in the MKII.
NBR Buffer Ball
Tiny as it is, this little part makes a big difference. The rubber buffer ball is placed inside the spring and limits the stroke length of the valve.
FX Impact Hammer Weight Tuning Set
This set of two different sizes of hammer weights are perfect if you want to do a powertune on your FX Impact. The standard hammer weight FX uses is about 6 gram. Huma-Air’s set contains 2 weights; One is 6,9 gram and the other is 8,5 gram. Therefore, you can setup your rifle entirely to your own needs. They are compatible with the FX Impact MKI, MKII and M3.
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