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Old 08-31-2006, 11:33 PM   #14 (permalink)
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Most blowbacks from the box need to have velocity adjusted drastically.

They arent consistant in manufacturing and one "red" spring from them is probably different from the other. They put them together and hope they work and thats that.

There was a time when people i know had 4 brand new blowbacks and 4 of them needed to get a spring kit. Its kinda standard.
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