Fx Impact max possible power with 15-21Grain .177 Pellets..

Forums Dealer & Manufacturer Feedback Fx Impact max possible power with 15-21Grain .177 Pellets..

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    airgungeek
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    Just curious to know if it is possible to set the Impact to shoot heavy .177 pellets at 30-35 Ftlbs.. Or would the transfer port restrict the output after a certain point? What would that point be?

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    Ginuwine1969
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    As long as its a FAC version.  if it can push a 34 gain pellet at 880 PFS why not.  Greatest risk would be pellet destabilization or blowing an o-ring.

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    airgungeek
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    Yea my thoughts exactly.. the only difference though between a 15 grain .22 and .177 at the highest power setting on the impact would be the transfer port size and that puts a doubt in my mind to weather that would be the restricting factor. I am eagerly awaiting my .177 FAC version which should hopefully arrive in a week .. Will share results …  

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    airgungeek
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    Looks like ill have to wait for the ‘Smooth Twist X’ barrel to get better results… Matt says he had to drill out a bigger transfer port with his .22 to get the extra power so i guess that would have been a restricting factor…. 

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