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    Tuning FX Impact Huma dual hole transfer port question

    I just got one, just opened that package and checked it out screwed to my new tp and it is the and exact way
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    Fx m4 .35 cal shooting 93 grain slugs@ 946fps

    I had my .35 M4 shooting 93 grain slugs at 950+ fps today. The highest fps was 956. Doing the math, that's 188fpe...a little higher than the 156fpe stated on the website, the Huma upgrades work. And taking the reg to 170+ a few really gets this rifle to shine.
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    FX FX Impact M4 - 700mm & 800mm question

    All problems were o rings!!! And they have all been solved.
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    Umarex NOTOS : SCOPE & FPE QUESTION

    FPS, not FPE, big difference
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    FX FX Impact M4 - 700mm & 800mm question

    Can any body tell me anything about the 800mm barrel assembly, disassembly. I took mine apart, put it back together after some upgrades and it shot great. However the other day I reached up to take off the stock moderator and try out my new donnyfl, and instead of the moderator turning, the...
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    FX FX Impact M4 MOST IMPORTANT CHANGES

    I can tell you, the stock rifle is also more powerful than previous models, a little easier to work on, and the single regulator is of very high quality, mine has stood up to more abuse than it should have and if you upgrade the fun so that it can handle the 170 bar regualtor setting, it makes...
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    FX Impact M3 .30 Huma Dual Hole + Slug/Pellet Probe less FPS?

    You did not lose an o ring did you? When I switched mine I severed an o ring and it was puzzling until I found that I had done so. But def adjust your valve return, the whole way to 6 and back it down until you see it drop
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    FX FX Impact M4 - 300 Bar - Needs First Regulator ?

    I could go either way on the Huma reg so far. After more experience with it I'll stop back by this thread again and update.
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    Fx m4 .35 cal shooting 93 grain slugs@ 946fps

    This should say does not like pellets I apologize. And that is just the experience with my own gun.
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    Fx m4 .35 cal shooting 93 grain slugs@ 946fps

    If I said it doesn't like slugs that is a typo on my part. It doesn't like PELLETS.
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    Fx m4 .35 cal shooting 93 grain slugs@ 946fps

    However one thing the huma reg will give you is very very little fluctuation between fps in shots. It is very stable that way. But honestly I believe I can get higher fps with the fx regulator. And the Huma is also extremely hard to adjust without taking out your trigger group and that is very...
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    Fx m4 .35 cal shooting 93 grain slugs@ 946fps

    Nope it loves slugs. I bought zero barrels. What I did do is buy the V2 Huma tuning kit and hammer weight. And the Huma extra high pressure regulator. So far, I don't see much of a difference between stock reg and Huma. But the V2 tuning kit is very impressive. I have not taken it out to 100...
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    Fx m4 .35 cal shooting 93 grain slugs@ 946fps

    When I first got the M4 .35, honestly out of the box all I had was pellets and I was really disappointed I even thought the gun was junk, then I bought some slugs....the M4 .35 800mm barrel at least in my experience does NOT like pellets. One second you'll have a dead bullseye and the next shot...
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    Just installed extra high power huma regulator on my fx impact m4 - NO PRESSURE ON REG SIDE OF GUN

    I've finally been able to unlock 170 bar with the upgrades. The stock hammer and spring won't improve fps past 140-145 bar in my particular gun.
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    Fx m4 .35 cal shooting 93 grain slugs@ 946fps

    I haven't taken it to 100 yet
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    Fx m4 .35 cal shooting 93 grain slugs@ 946fps

    800mm barrel, it's loud as hell lol
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    Fx m4 .35 cal shooting 93 grain slugs@ 946fps

    I should say slug, pellets are completely awful
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    Fx m4 .35 cal shooting 93 grain slugs@ 946fps

    Pellet touching pellet?
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    Just installed extra high power huma regulator on my fx impact m4 - NO PRESSURE ON REG SIDE OF GUN

    It's shooting 946 avg with stock reg, and 93 grain slugs. Another huma is in transit