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  1. K

    Huben Any issues or problems with Huben gk1 please share your experience

    I had asked them how to get the v3+ spring because the spare part diagram list the original 7x31 spring. Was told to request it in the order notes. I am not sure the size or how to go about asking for it in the notes. Best bet is to just order part #9 from the K1. last i checked is out of...
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    Huben Any issues or problems with Huben gk1 please share your experience

    V3-+ long spring 1.500 Fully collapsed.750 W/ .250 striker depth = 1.010 spring when installed. At high power it wont take much to bind that softer spring. Installed length to full bind = .250 Fwiw the first iteration v3+ striker i got from Wolfiek was deeper at .420 vs .250 Even with the...
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    Huben Any issues or problems with Huben gk1 please share your experience

    Theres a reason Huben has max power numbers of 40/30 fpe .. not sure .177. My 25 is at 38 fpe with no issues. Theres no stop for the striker when fired. You can shoot it out the back without the cover on. You have the rubber donut there but other than that the striker will fully compress the...
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    Huben Any issues or problems with Huben gk1 please share your experience

    The first v3+ upgrade kit i got had a striker with a small hole and no plug. Longer spring of coarse. This combo was not consistent. Weird spikes in velocity. Sticking valve slowly draining all the air, etc. when i checked the spring is was deformed slightly. I had ordered a v3+ kit from...
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    Huben Any issues or problems with Huben gk1 please share your experience

    Blue or white? huben has a multiple different donuts in use. Blue, white, thinner, thicker. The original blue donut in my 25 broke apart a bit. The v3+ kits all have the thinner white donut . I never actually compared the material used.. now curious haha
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    Huben Any issues or problems with Huben gk1 please share your experience

    Very much so (acts) like a regular, been thinking this ever since i went down the rabbit hole learning how this think operates.
  7. K

    Huben Any issues or problems with Huben gk1 please share your experience

    Ive had the same issue where the firing valve would not close slowly letting out the air. Eventually sealing up towards the end of the tank. I don’t like the newest spring they use, the longer one. The original spring (7x31) is known to deforn and cause issues. my 22 cane with the 2nd spring...
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    Huben Any issues or problems with Huben gk1 please share your experience

    inside the firing valve. A oring and peek backing seal. I believe early valves were threaded together. Theres no way to screw/unscrew this valve if the case. Maybe pressed together? Def not made to ever come apart.
  9. K

    Huben Any issues or problems with Huben gk1 please share your experience

    Right now i have the jsb 16’s at around 15 ft lbs. 2 mags 20 down to 20 mpa. Hopefully this weekend i can up the power see if i can get a good 1 mag Tune.
  10. K

    Huben Any issues or problems with Huben gk1 please share your experience

    Usually out. If you can not put the gun in safe the striker needs to be reset manually.
  11. K

    Huben Any issues or problems with Huben gk1 please share your experience

    Theres 3 springs in use. The original 7x31 spring thats also in the spare bag. A slightly longer spring which is the K1 spring and the newest spring is the longer spring I assume you have. My 22 came with the K1 spring and theres was also one in my parts bag along with the 7x31 spring. The...
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    Huben Any issues or problems with Huben gk1 please share your experience

    And Huben likes to change parts fairly often . Learned some v3 GK1’s had v3+ parts. I ordered a V3+ upgrade kit from Wolfiek and also AresAGT. Ares is the latest and Huben is back using the brass valve again and buffered striker. Wolfieks kit had a full steel valve with a small hole in the...
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    Huben Any issues or problems with Huben gk1 please share your experience

    I prob would of thrown the 22 block in the scrap bin if it wasn’t for Kelly’s help/encouragement. Going to have him make me a custom shorty 30 cal when they come out.
  14. K

    Huben Any issues or problems with Huben gk1 please share your experience

    Is it the reading or comprehension the issue with some people? I HAVE 2 GK1’s, actually 2.5 if you count the .177 barrel/mag… but i dont recall mentioning that so. In almost every post of mine im comparing the two .. my 25 IS PERFECT with 0 issues. I just swapped the calipers and ran the 25...
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    Huben Any issues or problems with Huben gk1 please share your experience

    Interesting, something i should of done way back. Swap the calipers over. Ran the 25 cal barrel/mag on the 22 block. 22 cal as is 30 fpe 1 mag 25-30 FPS spread 2 mags 80+ FPS spread and climbing. 25 cal on 22 block 40 fpe 1 mag 21 FPS spread 2 mags 51 Fps Spread (peaked at shot 28 and...
  16. K

    Huben Any issues or problems with Huben gk1 please share your experience

    Yea ok.. just deal with it .. a $1500 gun smh.
  17. K

    Huben Any issues or problems with Huben gk1 please share your experience

    It does have the notch on top if that is what you’re talking about? Too late .. black o-ring installed. Tomorrow will see if my theory was correct. Next step is garbage can… haha jokimg.
  18. K

    Huben Any issues or problems with Huben gk1 please share your experience

    I have a theory. First valve i removed had white markings in 3 spots from the o-ring. The 2nd valve was removed and it was sticking causing it to not close and slowly let out the air. This gun has never been right since day one. The only difference between it and the 25 now is the valve oring...
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    Huben Any issues or problems with Huben gk1 please share your experience

    Heres the 25 for comparison 1-17 i mag 7 fps spread (ok so there was 1 817 that i removed so 11 fps) haha Highest it went to 854 or 44 fps spread through 35 shots or 2 mags. Gauge ended at 15 mpa. MASSIVE DIFFERENCE.