I found this site through another forum. Seems to be a cheap source for .303 which for some reason is priced through the roof. Its corrosive/berdan primed but if you are a dilligent cleaner it shouldn't be a problem.

Heres the link to the ammo and a nice berdan reloading page.

http://www.samcoglobal.com/index.html

http://www.surplusrifle.com/shooting...ding/index.asp