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3/23/2009 5:40:43 PM EDT
I have three new barrels (threaded 1/2 X 28) and three flash hiders - two vortex, one Noveske KX3.  There is one combo, the exact one I need to work, where the KX3 will not screw onto a particular barrel without cross-threading.  All other combos work with no hesitation, roughness or even a hint of cross-threading.  

Does It seem like I need to re-tap the threads on the KX3?
4/12/2009 3:27:14 PM EDT
[#1]
can't hurt to tap the FS or chase the bbl threads, usually do if I have any doubts about either.
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