I'm sort of wondering why the red spring wasn't working for you. It's possible you might have another issue somewhere but if it's working, go with it. I'm sure it'll creep up eventually.
How to cut bolt spring?
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The red spring worked great at 290-300 fps, but as soon as I needed 275-285 fps it was too strong. It started cycling at about 268-278 fps which did not give me enough pressure to work and if I let the gun sit for a few minutes it would not fire, until I turned the velocity back up to arou 290-300 fps... I could have used the small spring but it would chop.Comment
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