Thread: JJ ceramic OD
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Old 07-01-2011, 11:00 AM
PHR33Z0R PHR33Z0R is offline
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Join Date: Jul 2010
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Default JJ ceramic OD
Does anybody know the outside diameter of a JJ? I have a MP5 foregrip that clamps onto the barrel and it only works with 7/8" OD barrels.
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