may want to ask Paul (psfracer)
http://s197forum.com/forum/showthread.php?t=78302&highlight=fastener
I used the Racecraft Dzus rails and trimmed the VFN hood to fit.
Sent from my Mind using the Darkside of the Swartz
http://www.racecraft.com/index.php?main_page=product_info&cPath=461_462&products_id=466
We carry them they work great!