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Systema 1J Spring

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  • 11-12-2008 4:28pm
    #1
    Irishmaster
    Registered Users Posts: 1,222 ✭✭✭


    Hi my friend bought one of these from airsofteire to downgrade his gun then we installed it. It was only shooting 270fps. I have an m100 and it shoots 328 constantly. I thought the m100 is the same as a 1J or is it just that systema are crap springs? Dont know whether he should send his spring back or bring it to eirsoft to get it done right?? Any help would be great!


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    #2
    theburi
    Registered Users Posts: 163 ✭✭theburi


    100 spring does not guarnatee 1J
    it also depends on cylinder, air seal, inner barel, grease in the cyclinder and few other things

    you may need to intall 90 spring.
    (Two of my JG's have 90 spring to get them under 1J)


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    #3
    Beast ASI
    Registered Users Posts: 589 ✭✭✭Beast ASI


    Systema 1J spring is basically their M90 model as far as I know - They've always shot 300fps for me anyway, which seems right...


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    #4
    theburi
    Registered Users Posts: 163 ✭✭theburi


    That is right. Different Spring manufacturers with 100 m/c label will output different energy. I saw a table with different spring tests somewere.
    Beast ASI wrote: »
    Systema 1J spring is basically their M90 model as far as I know - They've always shot 300fps for me anyway, which seems right...


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    #5
    Irishmaster
    Registered Users Posts: 1,222 ✭✭✭Irishmaster


    Ok cheers for the help. Looks like hes gonna have to get an m100 like mine.:)


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    #6
    maldondo
    Registered Users Posts: 103 ✭✭maldondo


    Try the madbull 110, great spring.


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    #7
    Beast ASI
    Registered Users Posts: 589 ✭✭✭Beast ASI


    Yeah, I'd tend to steer clear of Systema or Element springs. They tend to snap very easily. A Madbull 110 will bring you over the 1J limit.


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    #8
    maldondo
    Registered Users Posts: 103 ✭✭maldondo


    Depends on what you have it in, in my scar it sits nicely on about 325 but when put in a p90 its producing over 370, so you do have to be carefull. Some of the systema springs aren`t great and the classic army ones are worse.


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