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Old November 30th, 2011, 22:29   #1
Katlyn Cage
 
Join Date: Jun 2010
Location: Medicine Hat, AB
prometheus rubber problems?

i have a prom. red hard rubber installed with a 6.03 tighbore in a brand new modify acurate hop up unit. the rubber will not let a bb through. is there something i can do about this, ie shaving the rubber down??
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