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Archived [ARCHIVED THREAD] - what size thread?
Posted: 8/28/2004 8:53:11 AM EDT
What size are the threads on a A1 or A2 FH ?

Link Posted: 8/28/2004 8:59:37 AM EDT
[#1]
Generally M16/Ar15 5.56mm barrels are threaded 1/2X28 TPI RH (threads per inch, Right Hand thread)

Link Posted: 8/28/2004 11:25:46 AM EDT
[#2]
Thanks man!  I thought it was 1/2-28 but I just wanted to confirm with someone else.

Archived [ARCHIVED THREAD] - what size thread?
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