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Sitting Duck

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Sitting Duck last won the day on May 5

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About Sitting Duck

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    AF-UK Addict

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  • Guns
    WAY TOO MANY
    (i need serious help)
  • Loadouts
    Camping with lots of ammo/mags
  • Sites
    Tactical Warfare London/Surrey
  • Gender
    Male

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  1. Longer barrels deffo increase fps....http://www.airsoft-forums.co.uk/index.php/topic/28443-g-p-force-recon-m4-tb-barrel-upgrade/page-2#entry216840

    1. Show previous comments  1 more
    2. Sitting Duck

      Sitting Duck

      didn't occur to me it would go up so much though....

      Live n learn I guess

      atm spring rating seems to work out maybe for 275/300 barrels in middle. above or below that seems to req next spring up/down

    3. Colonel Kurtz

      Colonel Kurtz

      The voodoo airsoft physics I've been told is for V2 363mm is the kind medium length that TM originally designed the cylinder size to facilitate. If you increase length from shorter than 363 up to 363, you'll get up to the same % increase in FPS. E.G 300mm @ 300fps to 360mm @360fps. If you go over this length then the amount of extra FPS you get from going past 363 will get less and less, until eventually you have barrel over-volume issues and a giant step back.

    4. Colonel Kurtz

      Colonel Kurtz

      I find spring ratings are only accurate as far as the % difference in FPS goes. Every gun is different so will always give a different figure to start

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