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krap101 · May 3rd, 2011, 02:20

Playing around with that idea. Insert a cylinder or semi-cylinder, and it will expand the "nub" and hopefully secure it to the hopup arm.

May 3rd, 2011, 02:20	#6
krap101 Trader rating Join Date: Jun 2007 Location: Roscoe, IL USA	Playing around with that idea. Insert a cylinder or semi-cylinder, and it will expand the "nub" and hopefully secure it to the hopup arm.