Tango Down Rail Mount for Surefire Helmet Light

Marketplace Optics, Sights & Mounts (EE)
1

I have an Ops-Core FAST ballistic and need the Tango Down Rail mount for my SF helmet light.

http://tangodown.com/shop/product_info.php?products_id=77

If there is an alternative mounting solution and you have it, please let me know.

Thanks alot!!