Helmet strap help
 

I recieved this from airsoft depot the other day, but when I tighten it up nice and snug, the chin cup piece is way off to the left. Can someone point me in the direction of some good quality straps that will fit it, a Z-Tactical Sordin, and a trustworthy website?

Helmet: http://airsoftdepot.ca/catalog/produ...roducts_id=741

Thanks