Buying a beretta px4 storm..

[harsh248]

Hello fellow IFGinas. I am planning to buy the px4 storm but currently am not able to decide the vendor from which to buy..
I could order directly from pyramid air as it would be a lot cheaper and i could get an extra mag too
I could alternatively try relishsport or airgun india as getting through customs will be easier maybe?

But most importantly i need to know where to get good and cheap 12g co2 from..
Currently residing in delhi