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View Full Version : J and J ceramic caliber size????

Paintballer122
03-30-2005, 02:41 PM
What is the Caliber or a J and J ceramic barrel 14 in please help i dont know what it is
like 0.68?????
yipyip123
03-30-2005, 03:59 PM
.688-.689

its just about .869

just use pmi premiums
DarkeWolf
03-31-2005, 11:08 AM
their website is www.jjperformance.com theres a link where you can email them. they have a pretty good response time, I always hear back from them within 24 hours.
they've always told me that the standard size for all of their non-kit barrels are 68.8