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AR15.COM
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4/22/2005 1:19:01 PM EDT
Does anyone know what thread pattern Olympic Arms uses for the flash hider on their .45 ar15 barrels?

I just heard from Olympic Arms, the answer is: 5/8'' x 24''

4/24/2005 6:37:24 AM EDT
[#1]
Is it the same thread for the 40cal and 9mm?
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