Thread: Poly-tech M-14
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Old November 21, 2012, 12:10   #8
FALaholic #: 67164
Join Date: Sep 2012
Location: S.W. Missouri
Posts: 8
Originally Posted by Timber Wolf View Post
As I recall, you need to re-use your Chinese nut but a USGI flash hider FSB fits right on.
This^^^. Also the set screw that locks the "Castle Nut" is slightly different and VERY soft. I reused mine, but the hex hole(?) wallowed out after the second removal. Just cut a slot for screwdriver w/Dremel cut-off wheel. YMMV
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