BTW, it'll be a piece of cake to fix in Japan! Parts are cheap and readily available second-hand.
I would be shocked if you couldn't get a used barrel (providing it only a siezure) and rebuild it for any more than £100 (¥20,000).
_________________
Andy.
NSR-WORLD.COM
Please keep all responses to Forum posts on the Forum so that others may benefit.
Please DO NOT PM me for technical advice. My time is precious, and you will probably receive a faster response on the Forum anyway.
Check us out on Facebook! Please "like" our page!