CTAirgunner
HAM Wizard
Either way they work, and work awesome I haven't had mine out I just loosen to adjust , tighten to lock in place.I think what they have now is a set screw with a small piece of delrin. That or like weed whacker line. But the nut doesn't have the holes in the threads for them to detent into. At least the 2 I had didnt.

