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Old 10-04-2012, 02:38 AM   #3 (permalink)
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Join Date: Oct 2008

Originally Posted by sniper97 View Post
Small bore (684) or large bore (688)?

I have seen the small bore bring $50-$60, probably around $30 for the large bore.
/\ This. You can tell them apart by the vent ports. Tight bore is circular vents, large bore is spiral vents.
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