Thread: Need a nipple
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Old May 2, 2012, 11:26 AM   #4
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Join Date: October 8, 2006
Location: Northern Michigan
Posts: 2,772
12/28 or 5.5x.9 won't work if his gun is truly threaded at 12x24. I've never encountered a c&b revolver with coarse nipple threads. 24 tpi is the coarse standard for the #12 screw diameter; 28 tpi is the fine thread standard for that diameter and is by far more common.

Are you sure it's 12x24 and not 12x28?
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