Whay has all this thread stuff only come up in the last few months? when there would have been hunderds an hunderds an still are (rifles) getting around with the standard old 1/2"x20tpi.....................
Whay has all this thread stuff only come up in the last few months? when there would have been hunderds an hunderds an still are (rifles) getting around with the standard old 1/2"x20tpi.....................
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