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Old 03-03-2012, 01:54 PM   #905 (permalink)
super_stanchy
The Man With No Plan
 
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Join Date: Nov 2008
Location: Oregon City, OR

CCM Fan
PBN Fan
yup its aluminum.

i believe the "throat" of the barrel is like .760
the thread minor is just above that

in human terms.... thats about 3 pieces of paper wrapped around the insert
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