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View Full Version : BT-4 Combat improvements

Blue Walker
09-13-2009, 09:11 PM
need some ideas on improving the velocity of balls for this marker.
Does not seem to want to shoot higher than 268???
Phil
09-13-2009, 09:59 PM
hmm, was this just today or has it been doing this for a while?
Blue Walker
09-14-2009, 06:34 AM
just on Sunday but it's new. I use c02 and air both were about the same.
chongballa
09-14-2009, 05:57 PM
try to find a spring kit for it. that might help
Phil
09-15-2009, 10:21 AM
yup, if the air was fine then the next thing to check is the spring, u might need are stiffer one. Also make sure yer CVX valve is clean and working properly