A&K M249 fps low
I gotten a brand new A&K from RA... worked great out of the box. Swap spring out for a M100 spring shooting around 360 - 370fps for an outdoor game. Retested it a week later now the spring shoots around 270fps. So went and bought a Modify M110 spring into it and now it shoots at ~300fps.
Spring M100 has been changed. Rubber changed to Guarder clear. Was all done when it still shot around 360 - 370fps and gamed perfectly.
Since the fps drop after a week since the game, I thought the hop up was bad like all reviews said and ordered a CA hop up and installed it hoping it would an easy fix like others have done. Nope only help by about +10fps.
Can anyone give me a clue to as why the fps drop like crazy? So I can game with this massive puppy and create a shower of bbs.
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