WALKER HEADSET with Advance Helmet Mounts

Impossible to fit onto my ARC rails! I have been trying to get them on for about an hour now, I have watched more than one video about how to fit things onto ARC rails with no luck.

My headset came all broken and by the looks of it used by someone else! I meef a return or something done ASAP because this is horrible!

Didnt quite fit the rails on my brain bucket but that was fixed with a little bit of hand sanding and they slid right in. They work well, sound quality is good, tolerances could be milled a bit tighter but over all works well does the job asked of it. Rotation feature is nice but I find it to be get lose at the rotation point if you mess with it too much otherwise very solid and stays on your ears. You can also over rotate them and pull on the cable linking the two together, never broke the connection and it seams strong but it could be possible.