Thread: G&G UMP speed issue and nozzle length
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Old October 16th, 2011, 00:27   #6
Debrief
a.k.a. HKpro
 
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Join Date: Mar 2010
Location: Deadmonton
Quote:
We still don't know exactly what the factory nozzle length is for a G&G UMP, if anyone could help out
Anyone?...
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