Huh... this maybe a bit off topic, but I went through the website to find out where
www.wwiiguns.com was located:
Contact information:
Miki Nakamura
WWII Guns, division of TTD company
armory@wwiiguns.com
www.wwiiguns.com
Minami Ogikubo 4-45-12
Suginami-ku
Tokyo 167-0052
JAPAN
I'm kinda surprised you actually received your Kar98.