Try Huangs store (his info is in the retailer section) for other gear. He should have the mesh face protectors and pouches and such. For ballistic eyewear you can check the classifieds here, or hunting/tactical stores or eBay.
Which G36 did you get?
H&K G36c (KWA) / Glock 18c (TM) / Kimber LAPD SWAT Custom (TM) / Mossberg M500 (ACM)