Originally Posted by AK_Stick
so you could get a set of NVG's worn on your head, or helmet behind the optic.
Oh... that's not ideal at all.
The PVS-14 mount is only good for the guard tower, and a PITA at that. Really, you need a PEQ-2A or PEQ-15 to effectively use NODs unless you're going to stay in one place.
Back to the topic, there is no reason the twist mount should even exist.