As Sussex Lad said - keep it simple - I've got 2 rimmy's which have a 3-9x50 and a 3-9x40 - you don't need silly mag scopes and most scopes at that price range will out perform the gun have a look at JSR, Hawke, Ritcher Optik. Bushnell etc etc
Don't get any so called Jap stuff of egay - it ain't jap and it ain't that clever - it is however a very very cheap COPY