A good trick to have consistent fps, and boost it a little, is to Teflon tape the seals between the hop up unit and barrel. Also, I don't know much about KSC, but an upgraded hop rubber would ensure better flow of gas down the barrel.
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Ár skal r?*sa, sá er annars vill
fé eða fjör hafa. Sjaldan liggjandi úlfur
lær um getur né sofandi maður sigur.
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