Worseleak Posted June 4, 2017 Share Posted June 4, 2017 Afternoon all I am after a little help. I bought this gun ( ICS-148) second hand from a friend, the gun seems to be having a few issues creeping up. The selector between semi and auto sometimes does not make a difference just does full auto. The lad I bought this from said he has upgraded it with a tight bore barrel, from today's match it chronoed at 201FPS So my question is what can I do to improve this is anything. New "o" rings. Any help appreciated Link to comment Share on other sites More sharing options...
alex90 Posted June 5, 2017 Share Posted June 5, 2017 the low FPS will be down the not fitting the barrel/hop up in the right positions use YouTube videos on how to change an barrel and simply take apart the hop up/barrel would be a good time to change the hop up rubber just incase the a tear/hole in it few quad Link to comment Share on other sites More sharing options...
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