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Old March 19th, 2009, 13:49   #4
Disco_Dante's Avatar
Join Date: Oct 2007
Location: GTA
The key that came with your GBB is most likely the hop up adjustment tool. Most GBBs don't have an externally accessible hop up, so they have a little key that you use to adjust it.

Not for glory, nor riches, nor honours, but for freedom alone, which no good man gives up except with his life.
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