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I made all the required mods to fx Impact pic heavy

mubhaur

Member
Nov 8, 2015
1,434
27
Karachi, Pakistan
    With 600mm barrel at 125 bar reg I achieve 940 fps with 34 grain .25 pellets. 

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    mubhaur

    Member
    Nov 8, 2015
    1,434
    27
    Karachi, Pakistan
      try M14 threads on the right has better performance compared to the 1/8 28 on the left 

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      Dear Ernest,

      In my experience M14 offers more air flow that is not always required . Unless I have to use heavy slugs, I dont need M14. Use of M14 for average weight pellets sometimes becomes counter productive for extreme accuracy.

      You see that in my design, the cap of the plenum is on the male side threads, so I can make one more cap of M14 if needed in any future time.

      Too low reg pressure some times compromises accuracy in my tests.

      Regards,



      Umair Bhaur