You can make the threads compatible with either metric or Imperial, just use the correct file. If you have a G&P, ICS, Systema, etc, use a metric thread file. If you have a CA, use an Imperial thread file (on the older bodies for sure, newer ones I couldn't say).
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Age verifier Northern Alberta
Democracy is two wolves and a sheep discussing what's for dinner.
Freedom is the wolves limping away while the sheep reloads.
Never confuse freedom with democracy.
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