Found this manufacturer when looking for some parts to my Maruzen type 96, got the hopupunit installed and it works really good, takes AEG barrels and buckings (the reason I picked one up).
They also have a complete cylinder kit for the type 96, will post about that when i get one
http://airsoftpro.cz/eshop/product_info.php?currency=EUR&cPath=85_95&products_id=673
They also have a complete cylinder kit for the type 96, will post about that when i get one
http://airsoftpro.cz/eshop/product_info.php?currency=EUR&cPath=85_95&products_id=673