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  1. G

    Fps Issue - Gg M4

    Update!!!   took it all apart and got into the gear box, checked the cylinder air pressure with and without the nozzle. Tested with the plastic guard as I understand it pushes it away and everything seemed fine but I heated the O ring just in case and greased up.    Also the hop up...
  2. G

    Fps Issue - Gg M4

    Thank you everyone that has commented so far, going to test out all the above tomorrow and get some grease bought.    Yes, I haven’t changed the barrel it’s stock, it’s just the guy at the Airsoft shop said with it already having a long barrel it should increase. However that’s good to know...
  3. G

    Fps Issue - Gg M4

    Hi all,  I’m currently having an issue with FPS. I tested my M4 and it was kicking out 306FPS using 0.2 @ 0.84 Joules. (Stock) My aim is to get 295FPS using 0.28 as from what I understand that is the equivalent to using 0.2 and getting 350FPS.    So I bought a Laylax Non-Linear AEG Spring...
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