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Gr25 fps problem !!! Help needed

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  • #1

    Gr25 fps problem !!! Help needed

    Just had my gr25 upgraded as it was firing at 280 to 300 fps. The tech guy in a certain shop put in a 120 madbull spring 6.01 tight bore and a blue mad bull hop up Told them it can't go over 400 fps and was promised it was chronoing at 385 to 395
    Took it for its first skirmish after upgrade today and to my bloody horror it was chronod at 434 to 440
    Any ideas
    Don't want to clip the spring what type of spring would give me a fps of around 380 to 400

    Cheers guys

    And by the way they broke the safety selector now it fires with the safety on. Stupid t**ts !!!!
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  • #2
    Re: Gr25 fps problem !!! Help needed

    Send it back. If they don't fix it for free, beat them to death with it.
    Buy my stuff!
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    • #3
      Re: Gr25 fps problem !!! Help needed

      I would certainly send it back with your findings ie it cronos hot and its broken.
      section 24 of the 1968 Act
      Supplying imitation firearms to minors
      1)It is an offence for a person under the age of eighteen to purchase an imitation firearm
      2)It is an offence to sell an imitation firearm to a person under the age of eighteen.
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      • #4
        Re: Gr25 fps problem !!! Help needed

        get youself a good chrono as well....eg X3200
        VICTORIA CONCORDIA CRESCIT


        LOOKING FOR: S&W N-frame holster
        trader feedback http://forums.zeroin.co.uk/itrader.php?u=5191
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